Electric drillElectric drill

BADI 1BADI 1

John ErringtonJohn Errington

engineering considerations for designengineering considerations for design

Safe use of electricity – possible Safe use of electricity – possible damp and dirty conditionsdamp and dirty conditions

Suitability of materials for each part Suitability of materials for each part of the drill.of the drill.

Accommodation of moving parts.Accommodation of moving parts. Transfer of rotating motion from Transfer of rotating motion from

motor to chuckmotor to chuck

Rotary drill: De Walt 241Rotary drill: De Walt 241

Specification:Specification:Dewalt Dw241L 110V Rotary Drill 13Mm 701WDewalt Dw241L 110V Rotary Drill 13Mm 701W

2 Speed Rotary Drill2 Speed Rotary Drill

Extremely Long brush life.Extremely Long brush life. Power to weight ratio best for continuous use.Power to weight ratio best for continuous use. High torque reversible motor.High torque reversible motor.

Power Input 701 WattPower Input 701 Watt Chuck Capacity 13 mm KeylessChuck Capacity 13 mm Keyless Max torque 35/15 NmMax torque 35/15 Nm No load speed 0 -1100 / 0-2700 RPMNo load speed 0 -1100 / 0-2700 RPM Max capacityMax capacity

– Wood 35 mmWood 35 mm– Steel 13 mmSteel 13 mm

Voltage 110V or 230V models availableVoltage 110V or 230V models available Chuck 13mm.Chuck 13mm. Standard: Side Handle & Depth Stop.Standard: Side Handle & Depth Stop.

Schematic of gearbox and chuckSchematic of gearbox and chuck

Electrical components and housingElectrical components and housing

Rotary and fixed hammer drills (SDS +)Rotary and fixed hammer drills (SDS +)

Dewalt D25002K 240V Sds Plus Rotary HammerDewalt D25002K 240V Sds Plus Rotary Hammer Ideal for drilling anchor and Ideal for drilling anchor and

fixing holes into concrete and fixing holes into concrete and masonry from 4 to 22mm in masonry from 4 to 22mm in diameterdiameter

Impact-stop for drilling in wood, Impact-stop for drilling in wood, steel, ceramic and screwdriving steel, ceramic and screwdriving applicationsapplications

Full wave electronic variable Full wave electronic variable speed for total control in any speed for total control in any applicationapplication

Safety clutch eliminates sudden Safety clutch eliminates sudden high-torque reaction should the high-torque reaction should the bit jambit jam

Ergonomic rubber coated pistol Ergonomic rubber coated pistol grip handle design for improved grip handle design for improved comfort in usecomfort in use

High drilling rate due to High drilling rate due to revolutionary motor designrevolutionary motor design

Includes :multi-position side Includes :multi-position side handle, depth stop, Heavy duty handle, depth stop, Heavy duty carrying casecarrying case

Power Input: 600 WattsPower Input: 600 Watts Power Output: 380 WattsPower Output: 380 Watts No Load Speed: 0-1100 rpmNo Load Speed: 0-1100 rpm Blows per Minute: 0-4000 bpmBlows per Minute: 0-4000 bpm Impact Energy: 0-2.4 JImpact Energy: 0-2.4 J Tool Holder: SDS-PlusTool Holder: SDS-Plus Max. Drilling Capacity [Wood]: 30 Max. Drilling Capacity [Wood]: 30

mmmm Max. Drilling Capacity [Metal]: 13 Max. Drilling Capacity [Metal]: 13

mmmm Max. Drilling Capacity Max. Drilling Capacity

[Concrete]: 22 mm[Concrete]: 22 mm Max. Drilling Capacity [Core bit]: Max. Drilling Capacity [Core bit]:

65 mm65 mm Weight: 2.3 kgWeight: 2.3 kg Length mm: 360 mmLength mm: 360 mm Height: 205 mmHeight: 205 mm

Mechanical components of sds+ impact drillMechanical components of sds+ impact drill

Electrical parts and casing of sds+ impact drillElectrical parts and casing of sds+ impact drill