Headed punches with center dowel and ejector P_-PPFB / P_-PPF_
Headed punches with center dowel and ejector P_-PPFB / P_-PPF_
The P_-PPF_ headed punche with center dowel is directly tightened and centred on the tool plate. The ejector facilitates waste removal. Headed punches are mounted in a tool to cut, bend or form sheet We are machining our punches following your needs or drawing. They are also available as blank.
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Specifications
Material : Material B : High-speed steel HSS / 1.3343 / M2 / HS 6.5.2 / Z90
Dimensions :
- Diameter : from 10mm to 40mm
- Length from 71mm to 120mm
Cylindrical head, 8mm thick.
Available shapes : Available as a blank or following our 6 standards catalog shapes. Others shapes can be made as special.
Coating : Standard coating : TIN, Alcrona (AlCrN), TICN, CrN, t-ac.
Other coating on request.
Hardness :
- Head 47 -57 HRc
- Body 60 - 64 HRc
Benefits :
- Dowel centering ensure greater precisiion in the punch location and remove the clearance/play with direct tightening.
- All our punches are engraved to your specifications for quick identification.
- Ejector for waste removal
Tolerances :
- Body tolerance m5
- Length tolerance +1/0
- Cylindrical head thickness tolerance +0,1/0
- Cylindrical head diameter tolerance 0/-0,25
- Shape tolerance ± 0,01
Conception :
- The cylindrical head is hot forged for a better strength and durability.
- The body and shape are grinded with high precision.
Target application
Ideal for press tools or injection moulds.
Recommendations for use :
- Mounting : The heavy duty headed punch is tightened and centred in the tool plate.
- Cutting clearance : We recommand a cutting clearance between the die button and the punch corresponding to 10% of the thickness of the sheet being cut. (except special applications).
Maintenance recommendations :
- Regular cleaning
- Regular inspection
- Checking alignment with the die
- Regular lubrication
To order you need to indicate :
- The desired dimensions
- Desired shape (except for blanks)
- Shape dimensions (except for blanks)
- The desired coating
- Shape orientation
- Standard alterations
Example : PB-PPFL-16-71-20-P12.5-W8-R2T0-TIN
Technical data
Plan
L : Punch length
Dm5 : Body diameter tolerance m5
L2 : Working length for shaped punches
ØH : Cylindrical head diameter
ØE : Ejector diameter
Lu : Useful length
P x W : Shape dimensions
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