Drilling Tools Codes Rev1

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by Bruno Turati revised by Ing. Pascucci

Drilling tools codes

definition

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The CNC fixes an identification

code (Details list) to the different

working operations.

Every single code defines a

different tool.

The following slides show some

tools we can put into a drilling

spindle

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To install the tool into the drilling unit we will use some connections and tapers:

ISO 45 [40] connection with : HSK A80 [A63] connection with.. :

..Morse Taper ..Weldon Taper ..Morse Taper ..Weldon Taper

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Programming code: DRILL

Comment: Sensitive twist drilling

Tool type: standard HSS drill-bit

Working operation: standard hole

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Technical features:

1. Low cutting speed

2. Inexpensive

3. Grinding frequently

4. Long life

5. Long chips

6. Int/Ext coolant

HSS drill-bit - DRILL

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Tool type: inserts drill-bit

Working operation: programmed hole

Programming code: DRILL_32

Comment: Special programmed drilling

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INSERTS drill-bit DRILL 32/33

Technical features:

1. High cutting speed

2. Expensive

3. Not grinding inserts

4. Inserts short life

5. Short chips

6. Int. Coolant only

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Tool type: inserts/carbide and HSS drill-bit

Working operation: blind and/or standard hole

Programming code: DRILL_33

Comment: Twist programmed drilling

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INSERTS or CARBIDE drill-bit DRILL_33/32

Technical features:

See DRILL_32 code tools

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Programming code: DEBURR

Comment: Normal deburring

Tool type: deburring tool

Working operation: removing burrs from the hole output

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Tool type: countersink at 90

Working operation: countersinking

Programming code: FLARE

Comment: Countersink

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COUNTERSINK at 90

Technical features:

1.Pre hole already made

2. Low feedrate

3. Virtual tool length

4. Two diameter to

define a working

range

5. No coolant

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Programming code: DEBURR_36

Comment: Deburring with NBT

Tool type: special deburring tool

Working operation: removing burrs from the hole

output passing across

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Tool type: standard HSS drill-bit

Working operation: pointing and marking

Programming code: POINT_37

Comment: Twist pointing

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Technical features:

1. Roughness (on time)

2. Depth on time

3. Low feedrate

4. Known tool length

5. No coolant

POINTING with DRILL - BIT

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Programming code: SPOT - FACING

Comment: Spot - Facing

Tool type: counterbore

Working operation: enlarging a preformed hole

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COUNTERBORE SPOT FACING

Technical features:

1. Pre hole already made

2. Rigth speeds

3. Virtual tool length

4. Coolant

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Tool type: small tool only for pointing

Working operation: pointing and marking

Programming code: POINT

Comment: Pointing with point

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POINTING with POINT TOOL

Technical features:

1. Depth on time

2. Low feedrate

3. Known tool length

4. No coolant

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Tool type: screw tap

Working operation: tapping different threads

Programming code: TAP _ xx

Comment: Tapping type

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ISO METRIC TAPPING

Measuring unit : mm

TAP : Standard (gross pitch) M10

TAP 42 : Fine pitch M10x1* [*Size of pitch in mm]

WHITWORTH TAPPING

Measuring unit : inches or inch fractions

TAP 43 : Standard (gross pitch) 13/8 W

TAP 44 : Fine pitch 11/4x11* W [*Threads per inch]

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UNF and UNC American TAPPING


TAP 45 : Standard (fine pitch ) -16* UNF

TAP 47 : Standard (gross pitch ) -10* UNC [*Threads per inch]

GAS TAPPING (only on pipes)


TAP 46 : Standard G 1 * [*Size of pipe]

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TAP

Technical features:

1. Preformed hole

2. Feedrate = Screwpitch

3. Special taper (return)

4. Flat tool (180)

5. Rigth tool length

6. Long output stroke

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Tool type: end mill

Working operation: milling on single pass

Programming code: MILL

Comment: Milling

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END MILLING TOOL

Technical features:

1. Hole already made

2. Contouring speed

3. Good connection and taper

4. Fast downstroke

5. Milling parameters

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Tool type: face and round inserts mill

Working operation: multi steps pocketing or drawing

Programming code: POCKET

Comment: Pocketing

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INSERTS POCKETING TOOL

Technical features:

1. Slow downstroke

2. Contouring speed

3. Locked material

4. Pocketing

parameters

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Programming code: POCKET_63

Comment: Chamfering

Tool type: side and square inserts mill

Working operation: top multi steps bevelling

Tecnical features : milling parameters

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Comment: Back Chamfering

Tool type: side and square inserts mill

Working operation: bottom multi steps bevelling


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Comment: Round insert face milling

Tool type: face and rounds inserts mill

Working operation: top multi steps bevelling or pocketing


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Comment: Round insert back face milling

Tool type: face and rounds inserts mill

Working operation: bottom multi steps bevelling or pocketing


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Comment: Pocketing helical interpolation

Tool type: side inserts mill (rouds or rect.)

Working operation: helical interpolation hole


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Comment: Scribing

Tool type: face square insert mill

Working operation: drawing or pocketing


Drilling Tools Codes Rev1

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