wt4603 unit5 week7

WT4603 Wood Processing Safety & PracticeAutumn 2011Lecture Unit 5 (Week 7) 17-10-2011

BANDSAW/RISK ASSESSMENT ASSIGNMENT/ROUTERS Lecturer: Mr. Joseph Lyster joseph.lyster@ul.ie Notes prepared by: Mr. Joseph Lyster Notes available on www.slideshare.net/WT4603

Department of Manufacturing & Operations Engineering

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Risk Assessment Assignment

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Risk Assessment: HSA Model

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Introduction: (Page 1 – side 1)i. Outline the purpose of this bookletii. Outline the sections to be containediii. Outline the machines to be assessed

Risk Assessment

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Nature of Environment: (Page 1 – side 1)i. Outline location (Main work shop SR2-047)ii. Outline who uses the environmentiii. Outline activities carried out in the environment

Risk Assessment

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Health & Safety: (Page 1 – side 2)i. Outline risk assessment as in HSA act 2005ii. Outline risk assessment as in BS4163iii. Both articles are quoted in Unit 1 and Unit 2 lecture notes

Risk Assessment

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Machine Provision: (Page 2 – side 1)i. Simple floor plan sketch of the workshop and the position of each machine to

be assessedii. Note safe paths marked out on workshop flooriii. Also note main power control and isolator positionsiv. Note that machines are CE marked

Risk Assessment

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Hazards, Risks and Risk Control Measures (Page 2 – side 2)i. Define a hazard (Give an example)ii. Define a risk (Give an example)iii. Define a risk control measure (Give an example)

Risk Assessment

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Risk Assessment Procedure (Page 2 – side 2)i. Show HSA cyclical model (Briefly explain each part of model)ii. Risk Assessment (Show a blank risk assessment matrix template – explain

parts)iii. Risk Magnitude (Show a blank risk magnitude matrix template – explain

parts)

Risk Assessment

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Workshop Health & Safety Management (Page 3 – Side 1)i. Note any regulations, conditions of work etc… posted on the walls.ii. Outline the different types of safety signage in the workshop (Show images)

Risk Assessment

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Machine & Power Tool Risk Assessment (Page 3 – 10: Side 1 & 2)

i. Machines to be assessed – Rip Saw, Surface Planer, Thicknesser, Bandsaw, Morticer, Pillar Drill and Router.

Risk Assessment

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i. Machine a. Describe Machine purposeb. Max of 2-3 labelled imagesc. List Existing Hazards/Control Measures (Use a table – 2 columns x

No. of rows)d. Risk Magnitude matrix for each Hazard Identified (Can vary

depending on Machine)e. Complete Risk Assessment matrix table outlining all information

Risk Assessment

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Risk Magnitude

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Risk Magnitude

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RISK ASSESSMENTLocation: SR2-047 Date: 24-09-2010 Assessment Carried out by: Mr. Joe Lyster

Assessment of: PILLAR DRILL CE Marking (Machines): Yes □ No □

of 1 Assessment Review Date: 24-09-2010

HAZARDRISK MAGNITUDE PERSONS AT RISK EXISTING CONTROLS REQUIRED CONTROLS PERSONS RESPONSIBLE TARGET DATE

Risk Assessment

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RISK ASSESSMENT

Location: SR2-047 Date: 24-09-2010 Assessment Carried out by: Mr. Joe Lyster

Assessment of: PILLAR DRILL CE Marking (Machines): Yes No □□̷�

of 1 Assessment Review Date: 24-09-2010

HAZARDRISK MAGNITUDE PERSONS AT RISK EXISTING CONTROLS REQUIRED CONTROLS PERSONS RESPONSIBLE TARGET DATE

1. EntanglementIntolerable User of Machine Securing Clothes/Hair Chuck Guard Teacher/Students 24-09-2010

2. Violent EjectionModerate All in Class Spring Loaded Chuck Chuck Guard Teacher/Students 24-09-2010

3. Piece SpinningModerate All in Vicinity Clamp Correct Clamping Teacher/Students 24-09-2010

4. Electric Shock Hazards Moderate User of Machine Inspection of

EquipmentRegular Inspection of electrical components

Teacher/Students 24-09-2010

5. Cuts

Moderate User of Machine TrainingExclusion zones

marked clearly in relation to work area

6. Inadvertent Starting

Moderate All in Vicinity Lockable Isolator Switch

Lock isolator in the off position when not in

useTeacher/Students 24-09-2010

7. Space around Machine

Substantial User of Machine NothingSafe work area

exclusion zone marked around machine

8. Tripping/SlippingModerate User of Machine Nothing Sign posts Teacher/Students 24-09-2010

9. Pinch PointSubstantial User of Machine Nothing Chuck Guard Teacher/Students 24-09-2010

10. Falling TableModerate User of Machine Pillar Post Lock

Handle Correct Locking/Clamp Teacher/Students 24-09-2010

11. Noise LevelsTrivial All in Class Nothing PPE & Sign posts Teacher/Students 24-09-2010

12. CrushingIntolerable All in Vicinity Nothing Secure Fixing Teacher/Students 24-09-2010

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More information can be found byconsulting manufacturer’s manual

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Health & Safety at Work Act 2005

Pg. 30 of Health & Safety at Work Act

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Revised Drawer Detail

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Revised Drawer Detail

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Additional Router Detail

Feed direction1. Bearing guided cutters

2. Template guide

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Bearing guided cutters

• The arrow shows the direction of the feed for routing a profile on the edge of a piece of material using a bearing guided cutter.

• Material should be securely clamped or placed on a non-slip mat.

• The bearing will follow the profile of the edge of the material.

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• When viewed from above the feed direction for processing a moulding on the outside of a component will be in an anti-clockwise direction.

• Care needs to be taken when rolling around the corners or coming to the end of a straight as the router plate may not have as much support from the material underneath.

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Feed direction• Feed direction is critical to the

machining process.• The cutter rotation will be in a

clockwise direction.• To establish the correct feed

direction use the right hand rule shown in the photo.

• Place the thumb of the right hand against the edge to be processed.

• The back of your hand must be facing upwards.

• Extend the index finger as shown.• This finger will point in the direction

that you should feed the router.

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Calculating the offset

Template needs to account for the difference in diameter between the cutting bit and the guide bushing collar.

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Template & guide bearing cutter

When using a bearing guided trimming bit the template can be made to the exact shape or profile required.

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Routing at the corner

Cut end grain and let corners tear out

Long grain cut will remove torn-out material

Eliminating end grain tear out

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Routing at the corner

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Routing at the cornerFeed in the proper direction almost to the corner, stop, and climb cut from the corner.

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Surfacing Jig

Using the router to finish material flush to a surface

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wt4603 unit5 week7

joseph lyster

notes available

lecture unit

Education

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