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Mhelben M. Olivar | Pre-service Teaching Portfolio 1 REPUBLIC OF THE PHILIPPINES POLYTECHNIC UNIVERSITY OF THE PHILIPPINES QUEZON CITY BRANCH Pre-Service Teaching Portfolio MHELBEN M. OLIVAR BACHELOR IN BUSINESS TEACHER EDUCATION MAJOR IN INFORMATION TECHNOLOGY S.Y. 2011-2015 PROF.MARLYN ISIP PROF. SHERYL MORALES SCHOOL COORDINATORS

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Mhelben M. Olivar | Pre-service Teaching Portfolio 1

REPUBLIC OF THE PHILIPPINES

POLYTECHNIC UNIVERSITY OF THE PHILIPPINES

QUEZON CITY BRANCH

Pre-Service

Teaching

Portfolio

MHELBEN M. OLIVAR

BACHELOR IN BUSINESS

TEACHER EDUCATION

MAJOR IN INFORMATION TECHNOLOGY

S.Y. 2011-2015

PROF.MARLYN ISIP

PROF. SHERYL MORALES

SCHOOL COORDINATORS

Mhelben M. Olivar | Pre-service Teaching Portfolio 2

Mhelben M. Olivar | Pre-service Teaching Portfolio 3

ACKNOWLEDGEMENT

This Practice Teaching programme has been one of the greatest experiences of

learning. This enhanced and enriched the relation of the theoretical knowledge gained

in the university with the field experience. I would like to humbly thank the university

authorities for providing us with such opportunity and in particular Prof.Marlyn Isip and

Prof.Sheryl Morales our practicum coordinators for their tireless effort in contacting the

organizations and finding the means to make us comfortable.

I also would like to thank the Lagro High School who accepted us in particular my

deepest gratitude for the Principal and the staff of Lagro High School. Mr.Alfredo Tadeo

for accepting me in his class and the willingness and corporation of the faculty there to

help us learn and practice.

For my family and friends who helped and supported me, my inspiration and

motivation to take all the challenges in this pre-service teaching. Thanks to all my

students who have been part of this learning experience and to our Almighty God who

provided us everything.

Mhelben M. Olivar | Pre-service Teaching Portfolio 4

TABLE OF CONTENTS

Title Page ........................................................................................................................ 1

Certificate Of Completion ................................................................................................ 2

Acknowledgement ........................................................................................................... 3

Table Of Contents ........................................................................................................... 4

I. Statement Of Purpose Of Portfolio ............................................................................... 5

Ii. Prayer Of Pre-Service Teachers.................................................................................. 6

Teacher’s Creed ....................................................................................................... 7

Personal Education Philosophy. ............................................................................... 8

Iii. Resume. ..................................................................................................................... 9

Community Involvement Evidences ........................................................................ 11

Iv. Personal Insights On The Pre-Service Training Experience ..................................... 14

V. Brief Description Of The Site Of Practice Teaching .................................................. 16

Mission, Vision, Goals, Values And Organizational Chart ................................... 17

Vi. Sample Lesson Plan/Learning Guide/Plan Book/Activity Log ................................. 18

Vii. Lesson Plan Used During Final Demonstration ....................................................... 17

a. Pictures Of Teaching Materials Used ............................................................. 21

b. Pictures During Final Demo ........................................................................... 23

c. Sample Of Students’ Output .......................................................................... 25

Additional Entries ......................................................................................................... 29

a. Dtr’s ................................................................................................................ 31

b. School Site ..................................................................................................... 40

c. Pictures .......................................................................................................... 40

Mhelben M. Olivar | Pre-service Teaching Portfolio 5

STATEMENT OF PURPOSE

OF PORTFOLIO

This portfolio serves as my compilation on my practice teaching experiences. It

includes those pictures and some documentaries event done with my field. This portfolio

shows and demonstrate how I approach my students with my teaching strategies of

course this portfolio includes those guides for my teaching career that I can be used

someday soon as I am entering the real life of teaching .I include artifacts, self-

assessments and other evidence of my growth as a teacher.

I start my portfolio with my Teaching Philosophy because this is my overall

statement on effective instruction --- my beliefs on teaching and how I implement them.

The portfolio continues with evidence of teaching and learning, "Teaching Experience"

and "Professional Development" respectively. These two sections include a summary

table for quick reference. The portfolio ends with a reflection on what I have learned and

what goals I am working towards.

This Teaching Portfolio shows both my capabilities as an instructor as well as

the areas where I can improve. I am currently finishing a research focused PhD where I

have had to actively seek out teaching experiences. I have been able to find nurturing

mentors, meaningful teaching opportunities, and enlightening professional development

experiences. I understand, however, that I will always be able to improve and adapt my

teaching methods and that I will need to continue to document and reflect on my

pedagogical development.

Mhelben M. Olivar | Pre-service Teaching Portfolio 6

PRAYER OF

PRE-SERVICE TEACHERS

God Almighty, We are truly grateful of the blessing that you have showered upon us.

Thank you for the gift of life, for the loving students, for the loving and caring family, for the understanding and compassionate teachers, for the supportive principal and for this wonderful day that we are about to share together with your guidance and

protection.

Bless us all as we are about to deal a new lesson, new knowledge to inculcate, new experiences to embrace, new ideas to share, new values to feed our morale, new output of our painstaking labor to fulfill our satisfaction, new opinions to open up with

others, new camaraderie to develop and a lot more that we are humbly asking from your most benevolent heart that grant simple requests into a sure reality.

Lord, Bless all schools that it may dynamically and competitively become a

center for sound learning, new discovery, and the pursuit of wisdom; and grant that those who teach and those learn may find you to be the source of all truth

and wisdom. Lord, we ask forgiveness for all the sins that we have committed and we are sincerely accepting your Holy Spirit to rule our hearts and minds so that we can

avoid the temptations and some forms of evil as we continue fulfilling our roles in this beautiful world as children of God. We ask this through our Lord Jesus Christ, your son,

who lives and reigns with you and the Holy Spirit, one God, forever and ever Amen.

TEACHER’S CREED

Mhelben M. Olivar | Pre-service Teaching Portfolio 7

1. I believe that teaching is not a profession but a vocation, demanding dedication

and a deep sense of commitment.

2. I believe that I am a co-worker with God, in the divine task of molding and

forming the young and growing minds and hearts entrusted to my care.

3. I believe that just as a lamp diffuses light, dispelling the surrounding darkness, so

I too, as a teacher, have to diffuse understanding, knowledge and love to my

students dispelling the darkness of ignorance and doubt.

4. I believe that as a teacher molding children for the 21st century, I must dare to be

different in my methodology and approach, challenging their intelligence,

stimulating their curiosity, exciting their imagination, and inculcating in them

sound values.

5. I believe that every child is special and must be treated as such.

6. I believe that I must honor and respect the implicit pleas of every child to me, his

teacher, to become what he can be.

7. I believe that I must not differentiate between my students, and that I must not

show any personal preferences or dislikes.

8. I believe that I must not let my own problems, frustrations and anxieties color and

affect my work and my attitude towards my students.

9. I believe that I am the decisive element in the classroom. It is my personal

approach that creates the climate. It is my daily mood that makes the weather.

10. I believe that as a teacher I possess a tremendous power to make a child’s life

miserable or joyful. I can humiliate,\ humor, hurt or heal,

11. I believe that and in all situations, it is my response that decides whether a crisis

will be escalated, and a child humanized or dehumanized.

Mhelben M. Olivar | Pre-service Teaching Portfolio 8

PERSONAL EDUCATION

PHILOSOPHY

I believe that all children have the ability to learn and the right to a quality education.

All youths, regardless of gender, race, ethnicity, and capabilities should have the

opportunity to learn from professional, well-informed teachers who are sophisticated

and knowledgeable, both in their area of expertise and life. Certainly, every child has

different learning styles and aptitudes; however, by having a personal relationship with

every student, a teacher can give each an equal chance of success. By recognizing

every student's potential and having separate, individual goals for each, a teacher can

accommodate personal needs and abilities and encourage the pursuit of academic

aspirations.

In choosing to become a teacher, I have made the commitment to myself and my

future students to be the best academic, personal, and ethical role model I can be. It is

my goal to have a mutually enriching teaching career by keeping an open mind and

continually communicating with my peers and students. I am prepared to rise to the

challenges of teaching in the 21st century, and I promise to try to provide an honest,

well-rounded education to every student I encounter.

Mhelben M. Olivar | Pre-service Teaching Portfolio 9

MHELBEN MARQUEZO OLIVAR Block 30 Lot 14 Phase 3A Palmera Homes City of San Jose Del Monte Bulacan Birth Date:April 27, 1995 Contact No: 09462739050 E-mail Address: [email protected]

OBJECTIVES

To obtain an entry-level position that will help

me utilize my skills.

To progress in this career and to exponentially

improve my knowledge.

To learn more from co-teachers and from the

institution and to gain working experience in a

highly reputable school.

EDUCATIONAL BACKGROUND

Tertiary (2011-present)

Polytechnic University of the Philippines,

Quezon City Campus

Bachelor in Business Teacher Education

Major in Information Technology

Secondary (2007-2011)

San Jose Del Monte High School

Primary (2001-2007)

Bethuel Christian Academy

QUALIFICATION AND SKILLS

Skills in Shorthand Writing

Business Communication and Report Writing

Word Processing, Electronic Spreadsheet

Making Presentations

Can encode documents efficiently

Accuracy and ability to work well with minimum

supervision

Eager to learn and trustworthy

WORK EXPERIENCE

Cashier (July 15, 2013-January 30, 2014)

JOLLIBEE Villongco, Twinkie Star Corp.

932-8612

SEMINARS ATTENDED

Regular Review for LET in different elective

(Electronics, Electricity, Smaw, Masonry,

Beauty Care, Cookery, etc.)

Saturdays

#InLOVE (Lead, Observe, Value, Execute)

February 28, 2015

Embrace the Challenges, Unleash the

Possibilities

September 7, 2014

River Clean-up Drive

(North Fairview Quezon City)

December 20-23, 2013

Software Freedom Day 2013

September 23, 2013

Seminar entitled “101 Public Relation

Expertise”

August 23, 2011

Filipino at MultilinggwalnaEdukasyon, Suhay

sa Pagsulong ng Nasyon

November 23, 2011

ON THE JOB TRAINING

Practice Teaching

(Shielded Metal Arc Welding)

December 2014-March 2015

Lagro High School

Office Productivity on the job training

November 2012-March 2013

Department of Agrarian Reform

CHARACTER REFERENCE:

Prof. Rodrigo Dolorosa

Professor of Bachelor in Business Teacher

Education of PUPQC

428-91-44

MHELBEN M. OLIVAR Applicant’s Signature

Mhelben M. Olivar | Pre-service Teaching Portfolio 11

COMMUNITY

INVOLVEMENT EVIDENCES

LIFELINE, FEBRUARY 28, 2014

Mhelben M. Olivar | Pre-service Teaching Portfolio 12

PERSONAL INSIGHTS ON

THE PRE-SERVICE

TRAINING EXPERIENCES

4-5 DECEMBER 2014

After a long week of struggles/challenges of finding a school, finally, we found a school that will accommodate PUPian student teachers. That was my first week at Lagro High School, of course all the environment/ambiance was new to me, and this was a new experienced to all of my classmates. In my mind, I am so glad that time because I knew and I had a realization that these experiences will be a great help to me to improve my knowledge and skills, all of the learning or theories we’ve been studied inside the campus of Polytechnic University of the Philippines, Quezon City branch will now be applied in reality, on a real-life situation inside the premises of the Lagro High School.

We already passed the requirements such as letters from Division office and memorandum of agreement from PUP needed to be qualified to be a student teacher in Lagro. The head teacher of T.L.E. Department and at the same time the Assistant Principal for Special Projects and Programs of Lagro High School the beloved and respectable Dr.Carina A. Ortiz-Luiz was very generous and kind to us, she accommodates us very well. Later on, she deployed us to our respective elective and introduced us to our cooperating teacher that will surely help us, motivate us and enhance our capabilities in teaching. I’m very happy and lucky because I met my cooperating teacher who handles a class of Shielded Metal Arc Welding or much known as SMAW no other than Mr.Alfredo G. Tadeo Jr. It is also amazing that I am being deployed to something that is not common in girls, doing welding works. Of course, I am challenged to this kind of unexpected elective for a lady like me, but as teacher I must accept the challenge and be prepared in any unexpected changes when dealing in teaching. I must be versatile whatever it cost. Good luck to me and my other co-student teachers and to God be the Glory.

8-12 DECEMBER 2014

Mhelben M. Olivar | Pre-service Teaching Portfolio 13

The first week has been tough, I just met my class, they are grade 9 students under k to 12 curriculum. At first, I am shy but back in my mind I know I can do this; I can handle a huge number of people who has different personality, attitude and experiences with the help of my cooperating teacher. I am being introduced to each class I know they’re expecting excellence in each student teacher they encounter. It is good that my cooperating teacher is chill and relaxed, he told me to take it easy. First I have to observe his class, what pedagogy he is using in each class. This week is the time which I must observe very carefully because on the coming days I must be the one to facilitate, train and teach the class.

15-19 DECEMBER 2014

Christmas is coming! Of course when Christmas there is a long vacation, but before that our class in SMAW had a boodle fight. How funny is it, eating with your students with bare hands are so amazing!

5-9 JANUARY 2015

The long vacation ends. Happy new year to all! Let’s move on and keep moving!

12-16 JANUARY 2015

Regular class, quizzes and practical examination on this week!

19-23 JANUARY 2015

Periodical examination! Our examination is divided into three phase, first is written examination, followed by practical examination and lastly oral examination. Good luck my students, I know you all are very good!

26-30 JANUARY 2015

Passing of grades to the advisers, evaluation of 3rd Grading is done! Congratulations Amethyst, Beryl, Almandine, Apatite, Crysoberyl, Agate, Diamond and Ametrine! You all have done an excellence performance! Keep it up Class!

2-6 FEBRUARY 2015

4th Grading, the final evaluation for students, who will go to grade 10 for their specialization and who will stay for Grade 9, I hope no one will left behind. I know my students can passed all the requirements. Advance congratulations to all!

9-13 FEBRUARY 2015

February is Love, I am deeply in love in teaching! I am also preparing at this moment to my final demonstration, I hope it will be successful, wish me luck class.

16-20 FEBRUARY 2015

Mhelben M. Olivar | Pre-service Teaching Portfolio 14

My final demonstration is coming, I am so nervous but I am sure I can passed this evaluation with the help of my beloved cooperating teacher and my chosen class. This is also a week of practical evaluation; students are given materials needed in striking and depositing bead. They are also doing their project which is grilling pan by welding it.

23-27 FEBRUARY 2015

Here comes my final demonstration! To God be the Glory, the demonstration is tough but it is successful, I am proud of myself. Thanks to my family, friends, love ones, my cooperating teacher, my class and of course to our Holy God Almighty!

2-6 MARCH 2015

I’m done with my final demonstration, but the students are just facing the 4th periodical examination. We prepared a practical examination for them to generalize their learning, if they’re already good in welding. They have to deposit fillet weld with uniform bead. I am the facilitator here, good luck class just bear in mind the principles and practices in welding and do not forget Safety first!

9-13 MARCH 2015

Some students do not reach the competency level to go in grade 10, they have remedial. I hope no one will be left behind, good luck to those who do not comply on the requirements needed, take it easy I know you can do it! God bless anak!

16-20 MARCH 2015

This is my last week at Lagro High School, but it is not the end for learning. This will be my stepping stone to be a good and effective teacher. I am so happy to be here, all my gratitude is for people who help me improved my knowledge and skills. To God be the Glory!

Mhelben M. Olivar | Pre-service Teaching Portfolio 15

ORGANIZATIONAL CHART

Mhelben M. Olivar | Pre-service Teaching Portfolio 16

SAMPLE LESSON PLAN

LEARNING GUIDE

PLAN BOOK

ACTIVITY LOG

SESSION PLAN

DAILY LESSON

LOG LAGRO HIGH SCHOOL

Technology and Livelihood Education

Mhelben M. Olivar | Pre-service Teaching Portfolio 17

Final Demonstration

Lesson Plan in SMAW

(Shielded Metal Arc Welding)

Student Teacher: Mhelben M. Olivar Date: February 23, 2015

Year & Section: Grade 9 Agate, Ametrine, Crysoberyl, and Diamond Room: WC 2 Bldg. (SMAW)

Time: 4:50 PM – 5:40 PM Time Frame: 50 minutes

I. Objectives

At the end of the session, the students should be able to:

Identify tools and materials used in performing stringer method in carbon steel plate using

flat position (1G)

Perform stringer beads in carbon steel plate using flat position in accordance with welding

standard, and

Observe and value necessary safety precaution and perform proper housekeeping in

welding carbon steel plate.

II. Content

A. Topic

Perform uniformity of stringer beads on carbon steel plate in flat position (1G)

B. Materials:

Carbon Steel Plate size ¼ x 1 ½ x 6 inches.

Complete Personal Protective Equipment (PPE)

E-6013 1/8 size in diameter

Steel Brush

Welding Machine

C. References

Welding Handbook by Welding Incorporated of the Philippines

III. Procedure

A. Preparatory Activities

1. Daily Classroom Routine

a. Prayer

b. Greetings

Mhelben M. Olivar | Pre-service Teaching Portfolio 18

c. Checking of Attendance

2. Review

QUESTION AND ANSWER

COMPARISON CHART OF WELDS

3. Motivation

Video Presentation

The teacher will present a video presentation which demonstrates performing

uniformity of stringer beads on carbon steel plate in flat position. Afterwards

the teacher will ask about what they have understood in the video

presentation.

4. Unlocking Difficulties

Base Metal – metal to be weld, cut, or brazed.

Bead – appearance of the finished weld; the metal added in welding.

Flux- is a combination of carbonate and silicate materials used in welding

processes to shield the weld from atmospheric gases.

Penetration – Extent to which the weld metal combines with the base metal

as measured from the surface of the base metal.

Slag – materials which form on the underside of an oxyfuel gas or arc cut.

B. Presentation of Lesson

Learning Task Strategy Evaluation

Mhelben M. Olivar | Pre-service Teaching Portfolio 19

1. Identify tools and materials used in performing stringer method in carbon steel plate using flat position (1G)

Discussion

Oral Response

2. Perform stringer beads in carbon

steel plate using flat position in

accordance with welding standard

Demonstration

Return

Demonstration

3. Observe and value necessary safety precaution and perform proper housekeeping in welding carbon steel plate.

Discussion

Scoring Rubrics

Oral Response

C. Closing Activities

1. Generalization

Stringer is the most convenient bead running technique or method in welding. It is

also used with a certain types of electrodes and appropriate in all welding positions.

IV. Evaluation

Use the following Performance Criteria Checklist to evaluate how well students participated and

perform in class activity, and how they were able to apply what they have learned in depositing

uniformity of stringer beads in flat position

PERFORMANCE CRITERIA CHECKLIST

CRITERIA

Did you..........

YES NO

1. Perform deposit weld in flat position (1G) ?

2. Perform task in accordance with the training requirements and

safety procedures ?

3. Wear Personal Protective Equipment (PPE) ?

4. Apply safety procedures ?

5. Check weld visually for defects and repaired as required ?

Mhelben M. Olivar | Pre-service Teaching Portfolio 20

6. Clean the area after the demonstration ?

COMPETENT

NOT YET COMPETENT

General Comments / Strength / Improvement needed :

_____________________________________________________________________________________

_______________________________________________________________________

RUBRICS

POINTS TRAITS DESCRIPTION

6 ADVANCED A PERFORMS PROPER EXECUTION OF WELDMENT IN ACCORDANCE

WITH WELDING STANDARDS AND PRACTICE GOOD HOUSEKEEPING

5 PROFICIENT P PERFORMS PROPER EXECUTION OF WELDMENT IN ACCORDANCE

WITH WELDING STANDARDS

3 APPROACHING

PROFICIENCY

AP PERFORMS GOOD WELDING AND PRACTICE GOOD HOUSEKEEPING

BUT NEEDS GUIDANCE

2 DEVELOPING D PERFORMS WELDING BUT NEEDS IMPROVEMENT AND GUIDANCE

Assessment Method :

1. Direct observation of student’s application of knowledge to task.

2. Use the performance criteria checklist to check your own performance.

V. Assignment

A. Concept

Roughing-and-ready to weld carbon steel plate using horizontal position (2G)

B. Word Study

Weld defects

C. Guide Question

What are the weld defects, causes and its remedies?

D. References

Welding Handbook by Welding Incorporated of the Philippines

Mhelben M. Olivar | Pre-service Teaching Portfolio 21

LESSON

PLAN USED DURING FINAL

DEMONSTRATION

Mhelben M. Olivar | Pre-service Teaching Portfolio 22

LAGRO HIGH SCHOOL Technology and Livelihhood Education

Grade 9 Teacher / Trainer : Mhelben M. Olivar Date : 23 February 2015 Specialization : Shielded Metal Arc Welding ( SMAW ) Time : 5:40 p.m. to 6:30 p.m.

DAILY LESSON LOG – DAY 1

Learning Outcome

Objectives Topic Application Assessment Learner’s Materials

Resources Assignment

Weld butt joint in flat position (1G) (K to 12 Curriculum Guide)

At the end of the session, the students should be able to : 1. Identify tools and materials

used in performing stringer method in carbon steel plate using flat position (1G)

2. perform stringer method in carbon steel plate using flat position(1G) in accordance to welding standard, and

3. observe necessary Occupational Health and Safefy (OHS) and proper housekeeping.

Perform stringer method in carbon steel plate using flat position (1G) (See Information Sheet)

Depositing beads in stringer method using flat position (1G) in carbon steel plate (See Task Sheet)

Compare Self Check and to Answer key Sheet Evaluate Task Sheet Perform Criteria Checklist (Rubrics)

1. Carbon Steel

Plate size ¼ x 1 ½ x 6 in.

2. Complete Personal Protective Equipment (PPE)

3. E-6013 1/8 size in diameter

4. Steel Brush 5. Chipping

Hammer 6. Welding

Machine

1. Video

Slides

2. Welding Industry Philippines (W.I.P.)

1. Welding

Stringerr Method in Horizontal Position (2G) (See Assignment Sheet)

Other Activities / Methodologies : Demonstration with Practical Activity and Teacher’s Feedback.

No. Of Students with Mastery in lesson :

Prepared by: Approved by: Submitted to:

Mhelben M. Olivar Alfredo G. Tadeo Jr. Dr. Carina A. Ortiz Luis Student Teacher Teacher/Trainer TLE – Department Head

Mhelben M. Olivar | Pre-service Teaching Portfolio 23

INFORMATION SHEET:

Performing Stringer Method in Carbon Steel Plate using Flat Position (1G)

Learning Objectives:

4. Identify tools, materials and equipment in performing stringer method in carbon steel plate using flat position (1G);

5. Perform stringer method in carbon steel plate using flat position (1G) in accordance to welding standard; and

6. Observe necessary Occupational Health and Safety (OHS) and proper housekeeping.

Materials/Equipment/Resources:

7. Carbon Steel Plate size ¼ x 1 ½ x 6 in. 8. Personal Protective Equipment 9. E-6013 1/8 size in diameter 10. Steel Brush 11. Chipping Hammer 12. Video Slides 13. Welding Machine 14. Welding Handbook by Welding Industry of the Philippines (WIP)

Definition of Terms:

1. Base Metal – metal to be weld, cut, or brazed. 2. Bead – appearance of the finished weld; the metal added in welding. 3. Flux- is a combination of carbonate and silicate materials used in welding processes to

shield the weld from atmospheric gases. 4. Slag – materials which forms on the underside of an oxyfuel gas or arc cut.

Mhelben M. Olivar | Pre-service Teaching Portfolio 24

PRE-TEST

Multiple Choice: Direction: Choose the best answer that corresponds to your choice.

1. Which electrode is best used to weld carbon steel? a. E-6013 c. E-318 b. E-309 d.E-316

2. The number 13 in E-6013 electrode means:

a. Welding Position c. Carbon Content

b. Tensile Strength d. Applicable Welding Current

3. Arc strike occurs due to:

a. High current c. Spatters

b. Exposed electrode d. Improper start

4. The Strength of electrode is expressed in terms of:

a. F+3 c. M3

b. CFH d.PSI

5. The best angle of electrode in flat position is:

a. 10-150 c. 30-450

b. 15-300 d. 45-600

PRE – TEST ANSWER KEY: Multiple Choice

1. A- E-6013 2. B-Tensile Strength 3. D-Improper Start 4. D-PSI 5. B-150-300

Mhelben M. Olivar | Pre-service Teaching Portfolio 25

SESSION PLAN

STRINGER METHOD

There are lots of striking methods in welding but stringer is best for beginners. Striking up and down with uniformity of focussing through your base metal and also with counting will make the best uniform of beads. Stringer bead is usually made without any appreciable weaving motion

COMPARISON OF WELD

Mhelben M. Olivar | Pre-service Teaching Portfolio 26

Stringer Bead and Weave Bead Techniques

The stringer bead welding technique is one in which the weld beads are deposited in a straight line. When using the weave bead technique, the weld beads are deposited in a zigzag formation.

The forward weld travel speed of the stringer bead method is faster than that of the weave bead method. This faster travel speed reduces the amount of heat input, which is desirable when welding T-1 steels.

The straight bead technique works well in any position. If welding in the vertical position, however, a partial weave may be preferable. Although the partial weave can make the welding process easier in this position, the weave total should not exceed twice the electrode diameter.

The stringer bead method is more commonly used. The weave bead method may be used occasionally, but most flux cored electrodes are designed for stringer beads.

STRAIGHT AND PARTIAL WEAVE WELDING METHODS

Mhelben M. Olivar | Pre-service Teaching Portfolio 27

STRINGER METHOD

Tip the electrode 150 to 30 in the direction of travel and make stringer beads. Weld with the electrode end lightly dragging on the work to force the molten metal out from under the electrode tip allowing adequate penetration. The smooth welds look almost like automatic welds

Travel fast, but not too fast for good slag coverage. Stay about 1/4 “to 3/8” ahead of the molten slag. If travel speed is too slow, a small ball of molten slag may form and roll ahead of the arc causing erratic bead shape, spatter, and poor penetration

Mhelben M. Olivar | Pre-service Teaching Portfolio 28

SAFETY PRECAUTIONS IN DEPOSITING STRINGER BEADS

Consideration for safety is also important when depositing stringer bead in your base metal. When striking your electrode, some spatters and flying sparks of molten metals will go into your hands. Always remember, “Striking an arc is dangerous without proper using of Personal Protective Equipment (PPE).

Depositing stringer beads in flat position, safety needs will be monitored, be sure to observed, read and understand, and follow all the safety measures, failure to do so could cause you harm. In addition, the following precaution should be followed.

HANDS

Always wear your leather gloves when welding, welding can burn your skin and other parts of your body

EYES

Wear safety glasses, welding mask and goggles to protect your eyes and face due to ultra rays during the physicall process.

SAFETY SHOES

Leather shoes or steel toe.

MOUTH AND

LUNGS

Whenever using a welding be sure to wear a resspiratory mask, when welding smoke goes to your lungs repeatedly, it can be dangerous for it is a phosporous gas.

Mhelben M. Olivar | Pre-service Teaching Portfolio 29

STEPS AND PROCEDURES IN DEPOSITING STRINGER BEADS

STEP 1 Place on top of the working table your tools and materials near with you

STEP 2 Lay your base metal on your working table or positioner and make sure that the Ground rob/clamp is connected to it.

STEP 3 Be sure that your base metal, a carbon steel or flat bar is cleaan, cut in size and had an straight line with the use of your chalk stone.

STEP 4 Switch on/power on your machine to its appropriate amperage selection.

STEP 5 Start striking your electrode on the ground to check if it is in condition

STEP 6 Start your stringer method of welding in flat position on your own risk.

STEP 7 Deposit bead in straight up and down counting up to the end of your electrode

STEP 8 Check your work by chipping the slags with your chipping hammer and scratch it with your steel brush.

STEP 9 Present your workpiece to your trainer

REMINDER:

BE SURE TO SWITCH OFF THE MACHINE AFTER USE AND CLEAN YOUR AREA AS YOU FINISHED.

Mhelben M. Olivar | Pre-service Teaching Portfolio 30

TASK SHEET

Topic: Depositing Uniform Bead in Stringer Method

Using Flat Position (1G) in Carbon Steel Plate

Performance Objective:

Given all the necessary tools and materials, you should be able to perfom a stringer mehod, deposit a uniform bead in flat position (1G) following the correct steps and procedure with poper OHS Practices and Principles.

Supplies/Materials/Equipment:

1. Carbon Steel Plate size ¼ x 1 ½ x 6 in. 2. Complete Personal Protective Equipment (PPE) 3. Chipping Hammer 4. E-6013 1/8 size in diameter 5. Steel Brush 6. Welding Machine

Steps/Procedures:

1. Secure all the necessary tools, materials, and equipment needed to perform the task.

2. Following the correct procedure in depositing uniform bead in stringer method, perform the assign task/activity.

3. Observe safety precaution and practices in performing the task assigned.

Assessment Method:

1. Direct observation to student’s application of knowledge to task. 2. Use the performance criteria checklist in checking their performance.

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PERFORMANCE CRITERIA CHECKLIST

CRITERIA Did you..........

YES NO

7. Wear appropriate Personal Protective Equipment (PPE) to accomplishe the task ?

8. Observe proper Occupational Health and Safety (OHS) Precaution and Practices?

9. Follow proper step and procedure in depositing uniform bead using stringer method?

10. Achieved a uniform stringer bead?

11. Used appropriate and proper tools and equipment?

12. Achieved the time alloted in performing the task?

COMPETENT

NOT YET COMPETENT

General Comments / Strength / Improvement needed:

____________________________________________________________________________________________________________________________________________________________

RUBRICS

POINTS TRAITS DESCRIPTION

6 ADVANCED A PERFORMS PROPER EXECUTION OF WELDMENT IN ACCORDANCE WITH WELDING STANDARDS AND PRACTICE GOOD HOUSEKEEPING

5 PROFICIENT P PERFORMS PROPER EXECUTION OF WELDMENT IN ACCORDANCE WITH WELDING STANDARDS

3 APPROACHING PROFICIENCY

AP PERFORMS GOOD WELDING AND PRACTICE GOOD HOUSEKEEPING BUT NEEDS GUIDANCE

2 DEVELOPING D PERFORMS WELDING BUT NEEDS IMPROVEMENT AND GUIDANCE

STUDENT’S NAME:_______________________________________ DATE:____________

TEACHER’S NAME:_______________________________________DATE:____________

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SELF CHECK SHEET:

POST-TEST: MULTIPLE CHOICE

DIRECTION: Read the question carefully and choose the letter of your best answer.

1. The E-6013 electrode will penetrate in a carbon steel plate in how many inches? a.1 inch c. 2 ½ inches b.2 inches d. 3 inches

2. What type of electrode is best to use in welding a flat position?

a. E-6013 c.E-309

b. NS318 d.E-316

3. Gloves used for arc welding should be

a. Gaunlet gloves c. Synthetic gloves

b.Cotton gloves d. Leather gloves

4. Which is most important in a welding environment?

a. Shop safety c. Industrial safety

b.Personal safety d. All of the above

5. Safety welding..

a. comes naturally

b. can be learned by watching other welders

c. must be carefully practiced

d. is not always the most important thing

ANSWER KEY TO POST-TEST

1. D – 3 inches 2. A – E-6013 3. D – Leather gloves 4. D - All of the above 5. C – must be carefully practuced

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ASSIGNMENT SHEET:

Topic: Welding Stringer Method in Horizontal Position (2G)

Words to Study:

1. Porosity 2. Excessive spatter 3. Incomplete Fussion 4. Lack of Penetration 5. Burn-through

Guide Questions:

1. Name the tools and materials needed in welding stringer method using Horizontal position( 2G).

2. What are the proper steps in horizontal position. 3. What are the safety consideration in Horizontal position (2G)

Reference/s:

Welding Industry of the Philippines, pages 33-36 by Alfredo G. Tadeo Jr.

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PICTURES OF

TEACHIN

G MATERIALS

USED

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AUDIO VISUAL INSTRUCTIONAL MATERIALS

TOOLS AND EQUIPMENTS IN SMAW

PPE

TOOLS

WORKING TABLE

WELDING MACHINE

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PICTURES

DURING

FINAL

DEMONSTRATION

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DURING FINAL DEMONSTRATION

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EVALUATORS

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PICTURES OF SAMPLE

OUTPUT OF STUDENTS

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ADDITIONAL ENTRIES

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PICTURES

PICTURES

PICTURES

PICTURES

PICTURES

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MY COOPERATING TEACHER

MR.ALFREDO G. TADEO

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WHILE DOING THEIR PROJECTS

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MY BEAUTIFUL STUDENTS, SECTION 9-BERYL

MY AWESOME STUDENTS, SECTION 9-APATITE

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MY HANDSOME AND INTELLIGENT STUDENTS

CRYSOBERYL, AMETRINE, DIAMOND, AND AGATE

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DURING PRACTICAL AND ORAL

EXAMINATION IN SMAW

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OUR OUTSTANDING STUDENTS

JAIME AND JAYSON