Grinding & Lapping of an Oil Pump Cover

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Grinding & Lapping of an Oil Pump Cover
Grinding & Lapping of an Oil Pump Cover

To achieve the desired flatness and precision finishing of an oil pump cover as highlighted below, a customer in the automotive industry contracted Precise Lapping & Grinding Corp. to process the part to their specifications. This cover measures 6" in diameter and is composed of hot rolled steel. Employing our double disc grinder, and lapping machinery, the part was treated with a combination of grinding and lapping techniques, holding a 0.0002" flatness tolerance. The material met an ultra smooth 2 RZ finish. Testing and inspections were carried out during all phases of production including flatness and finish checks, as well as dimensional verifications of pocket depth and thickness.

18,000 pump covers are processed weekly, shipped to the customer in South America. The customer's expectations were exceeded by our ability to meet their quality demands while observing their cost projections and delivery conditions. With over five decades of experience, Precise Lapping & Grinding is a recognized provider of precision machining, lapping and grinding services to customers across a spectrum of industries. For further detail about this pump cover double disc grinding and lapping project, or the other high quality services available please see the table below or contact us directly.

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Highlights of Oil Pump Cover Grinding & Lapping Project

Product Description
Automotive Oil Pump Cover
Capabilities Applied/Processes
Equipment Used to Manufacture Part
Double Disc Grinder, Lapping Machine
Overall Part Dimensions
6" Round
Tightest Tolerances
Flatness: 0.0002"
Material Used
Hot Rolled Steel
Material Finish
2 RZ
In process testing/inspection performed
Flatness, Finish
Dimensional Checks - Pocket Depth, Thickness
Industry for Use
18,000 per Week
Delivery/Turnaround Time
Weekly Shipments
Delivery Location
South America
Standards Met
Customer Specifications, 2D CAD Drawing
Product Name
Pump Cover

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