Examples


   Precision Machined Parts      
 

 

  

Item

Heavy Vehicle Final Drive - Planet Carrier
Size 380 mm Dia x 580mm long
Weight 90 kg
Material 826m31 V Cond.
Surface finishes Large cut-outs 170 x 98 x 75 mm deep, splines and 123 mm dia back counter bores with broken cut required 0.8 finish.
Notes Concentricity between front bores and journal dia = 0.000 Maximum metal codition.
Splines and 57mm holes Position. Tolerance. 0.02 mm.

 

 
Item Rotor and Stator
Size 156 mm Diameter x 120 mm long
Material 817M40 U Cond
Surface finishes Concentricity Tol. 0.1 between Splines and outside profile.
0.8 finishes required on outside profile, slots and face grooves
Notes Produced on a Charmilles EDM machine.

 
 
   
   

 

  Precision Machined Parts      
 
Item Suspension main case
Size Size 400 x 200 x 600mm lg.
Weight 56 kg
Material

High Tensile cast steel BS3100 BT3
Surface finishes

Seal diameters 0.8 micro meters finish.
All threads were interpolated.
Bores were honed to 0.2 miro meter finish
Notes Extremely hard material with very tight control of machined faces
Item Suspension Axle Arm
Size Size 600 x 500 mm
Weight 28.5 kgs
Material

Axle Arm - Steel Forging
Notes Assembly of Pivot Shaft & Wheel Spindle to Suspension Arm using cyrogenic fixing. The axle arm is heated and shaft and spindle are frozen prior to assembly using liquid nitrogen.
Angular relationship +/- 1.0 Degree. Fixture designed for this task
 
   
   

 

  Precision Machined Parts      
 
Item Hydraulic Pump Yoke
Size Several variants, sizes varied from 55mm dia to 150mm dia.
Material

Material 708M40 Rc 38/42 Condition.
Surface finishes

Rocker induction hardened to Rc53 Min.
General finish 32 micro.
Notes General Tolerances 0.025mm and .0127mm concentricity of journals