Ball-lock punches for light duty with point larger than shank P_-BJNB / P_-BJN_

Ball-lock punches for light duty with point larger than shank P_-BJNB / P_-BJN_

The P_-BJN_ ball-lock punch for light duty with point larger than shank is fastened with a ball in the tool for quick removal. The wide end means that the body can be lower than the diameter of the working part. The ball-lock 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.

Specifications

Material :

  • Material A : High-speed steel HWS / 1.2379 / D2 / X155CrVMo12.1 
  • Material B : High-speed steel HSS / 1.3343 / M2 / HS 6.5.2 / Z90

Standard : ISO 10071 / NF E63-102

Dimensions :

  • Diameter : from 10mm to 40mm
  • Length from 71mm to 80mm

Ball fixing Ø8mm.

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 :

  • Material A : 

Body 58 - 62 HRc

  • Material B : 

Body 60 - 64 HRc

Benefits :

  • The ball-lock range allows quick removal of the punch without having to touch the punch retainer. The disassembly is performed with a ball pushing tool reducing the tools downtime.
  • Possibility to cut large shapes in a small footprint.
  • All our punches are engraved to your specifications for quick identification.

Tolerances :

  • Body tolerance g5
  • Length tolerance +1/0
  • Shape tolerance ± 0,01

Conception :

  • The ball-lock fixing is machined. 
  • The body and shape are grinded with high precision.

Target application

Ideal for press tools or injection moulds.

Recommendations for use :

  • Mounting : The ball-lock punch is mounted in a ball-lock punch-retainer.
  • 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 : 

  1. The desired dimensions
  2. Desired shape (except for blanks)
  3. Shape dimensions (except for blanks)
  4. The desired coating
  5. Shape orientation
  6. Standard alterations

Example : PB-BJNL-16-71-20-P12.5-W8-R2T0-TIN

Technical data

3D Model

Plan

L : Punch length

Dg5 : Body diameter tolerance g5

L2 : Working length for shaped punches

Ø Bille = 8mm

P x W : Shape dimensions

Ball-lock punches for light duty with point larger than shank P_-BJNB / P_-BJN_ plan

Catalogue

Download the full catalogue

FAQ

A specific request?

Your satisfaction is our priority. Contact us if you have a special request.