Demountable bronze plated guide bushes DB21 - DIN 9831

Demountable bronze plated guide bushes DB21 - DIN 9831

The DB21 demountable bronze plated guide bushe guides cutting tools in a precise and stable position.

Specifications

Material: 16MnCr5 - Case-hardened

Standard : ISO 9448

Dimensions :

  • Diameter : from 19 to 80mm
  • Length : from 28 to 148mm

Available with short, normal and long shoulders.

Working speed : 0 to 45m/min

Type of mounting : Clamps and screws fixing supplied with the bushe.

The Easyfit system facilitate the bushe mounting in the bore making it quicker to adjust and install

Hardness : 60 à 64 HRC for maximum wear resistance and durability. Designed for prolonged use thanks to its robust construction and high hardness.

Treatment : Case hardening and tempering for optimum surface hardness. Bronze inserted

Type of lubrification : Lubrication scratches with grease nipple.

Benefits :

  • Good resistance to lateral forces
  • High working speed thanks to the bronze plating due to its low coefficient of friction.
  • Benefit from the rigidity of steel

Available in 3 tolerance classes for precise matching with the guide bushes according to the need.

Conception : Modular design for an easy integration and simplified maintenance.

  • Machining 
  • Grinding / honing
  • Grooving
  • Treatment

Target application :

Ideal for press tools, injection moulds or any other assembly requiring precise, reliable guidance.

Recommendation for use :

  • Lubrification : Make sure that the bushe is always well lubricated to ensure its efficiency and lifespan. Lubrication is provided by the grease nipple and the grooves inside the bushe.
  • Mounting : The bushe is fitted using the clamps and screws directly in the tool plate. It is important to ensure that the pillar is correctly fitted to guarantee the parrallelism with the guide bushes and preventing premature wear.
  • Do not exceed working speed. Compliance with working speeds ensures the integrity of the tool and bushe. 
  • Environment : Do not store or use the bushe in a corrosive environment.

Maintenance recommendations :

  • Regular cleaning
  • Regular inspection
  • Load control


To order you need to indicate : 

  • The diameter
  • The lenght

Example : DB21.032.045

Technical data

3D Model

Plan

D1 : Pillar diameter

D2 : Bushe press-fit diameter

D3 : Bushe external diameter

D4 : Bushe collar diameter

E : Press-fit length

F : Guiding length

h : Collar thickness

Demountable bronze plated guide bushes DB21 - DIN 9831 drawing. These guide bushess, are used with guide pillars, to design guide systems, to be integrated into the construction of press tools

Catalogue

Download the full catalogue

Pictures

MDL- MDL guide bushes- MDL components-MDL standardized components for press tools- Guide bushes Type DB21 MDL-MDL a registered trademark of the French manufacturer of standardized components for press tools AMDL

FAQ

Detailed description

These standardized guide bushes, from the MDL brand, come from the MDL components program, for the design of guide systems, to be integrated during the design, of die sets and press tools.

These guide bushes are designed and manufactured by the company AMDL, which owns the registered trademarks MDL and Porter Besson, and distributes these MDL components and Porter Besson components throughout the world, from its logistics center located in Issenheim.

AMDL Scop SA is a leading manufacturer, of standard parts for die sets making, marketed under the registered trademarks MDL and Porter Besson.

The guide bushes are used with guide pillars and ball cages to design guide systems for die sets


Standards parts for die making MDL are in stock at AMDL Scop SA, included guiding elements MDL, guide bushes MDL, guide pillars MDL, ball bearing cages MDL and all accessories necessary to design a guide system for press tools.

A specific request?

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