drill sharpening

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Step 1: Lets get started

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Page 1: Drill sharpening

Step 1: Lets get started

Page 2: Drill sharpening

Choose the collet by placing tool inside it

Page 3: Drill sharpening

Wipe collet seating area clean with finger

Page 4: Drill sharpening

Install collet into clamp ring

Page 5: Drill sharpening

Install clamp ring onto spindle leaving it loose so tool can slip in easily for set up

Page 6: Drill sharpening

Step 2: : Centre height set up

Page 7: Drill sharpening

Insert the tool into collet approximately 30mm deep and lock clamp ring using C spanner

Page 8: Drill sharpening

Release spindle lock and rotate spindle till zero marks line up, hold spindle against clicker device and lock spindle

Page 9: Drill sharpening

With the tool edge resting on height rest use C spanner and tighten clamp ring

Page 10: Drill sharpening

Wheel choice is important in this case the cup wheel will be used for both end mill and slot drill sharpening

Page 11: Drill sharpening

Step 3: Grinding wheel change

Page 12: Drill sharpening

Remove and place wheel guard to one side by undoing securing screw with a 5mm allen key

Page 13: Drill sharpening

Change grinding wheel by placing spanner onto spindle and rotate wheel anti-

clockwise by hand

Page 14: Drill sharpening

Whilst working around tools beware of sharp edges. Place a rag over tool to prevent cuts, oops !!

Page 15: Drill sharpening

Tighten the clamp ring by hand using the C spanner

Page 16: Drill sharpening

Step 4: Work holding device

Page 17: Drill sharpening

Both tool and wheel must be the same centre height as rest locator. Adjust

accordingly

Page 18: Drill sharpening

Undo lock handles 1 and 2 and tilt head to +6 degrees and retighten lock handles

Page 19: Drill sharpening

Undo swivel base locking screw on right hand and reset base to zero degrees + 20

minutes relock again

Page 20: Drill sharpening

Ensure cross slide setting is at zero if not use small front handle to correct

zero position

Page 21: Drill sharpening

Step 5: Sharpen the tool

Page 22: Drill sharpening

Grind all four primary edges at + 6 degrees to achieve a band width of 1mm

Page 23: Drill sharpening

Undo clamp levers 1 and 2 again and tilt head to + 12 degrees and relock clamp

levers

Page 24: Drill sharpening

Grind all four secondary edges at + 12 degrees to achieve a band width of 0,5 mm

to 0,8 mm

Page 25: Drill sharpening

Inspect the tool if OK, then undo clamp ring by using Cee spanner and tap gently

as tool will pop out.

Page 26: Drill sharpening

Tool inspection time

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1. Inspect the primary angle to meet required measurements of 0.5 mm to 0.8 mm using either a

150 mm steel rule or a Vernier

Page 28: Drill sharpening

2. Tooling may be removed to measure more accurately due to poor ergonomics.

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3. If measuring in the current set-up adjust the over head light to give

better vision if require

Page 30: Drill sharpening

4. Always be very careful of sharp edges on the tool as you move your hands and

limbs around whilst checking and inspecting dimensions on tools.

Page 31: Drill sharpening