Shree Ram Auto Liners

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Manufacturing Process


Manufacturing Process in Workshop

Machining
CNC Machinery is deployed along with other machines for Machining. Proof-machining is done as a regulation in our plant to attain accuracy at all levels. Complete OD profile is done in one single setup on CNC machines with special jelly type expanding mandrills, so that a uniform expansion, concentricity and squareness is achieved with very close tolerance.

Grinding
Grinding is done on centre less grinders where all the collars of liners are grinded simultaneously to maintain parallelism on all the diameters profiles to a minimum and also ovality to a minimum.

Vertical Boring
Vertical boring machines are used for final boring. This machining process provides an accuracy of 0.010 in ID.

Honing
We pioneered and implemented the PLATEAU Honing Process in India, over the usual honing processes. This gives optimum finishing by removing peaks and retaining valleys, using the Double Expansion Plateau Honing machines.

The benefits of PLATEAU Honing are
  • Increased life of piston ring
  • Reduced oil consumption (to as much as 30%)
  • Increased engine performance and life
  • Reduced engine running-in period

SLIDE Honing is another removal mechanism developed by us that avoids sliding stresses during the engine running-in period.

Highly qualified Engineers are employed to exploit and maintain this state-of-the-art plant, to produce the best products.