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"I think of John Prosock as a value added partner and I would recommend JPM to everyone except my competition." Kody, SKF

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Precision Machining for Tight Tolerances

John Prosock Machine Inc. constantly evaluates and invests in the latest precision machining technology to deliver parts of impressive geometry to the most challenging customers from OEMs, to medical and communication industries, as well as mechanical and equestrian part productions. From humble beginnings, John Prosock Machine has become a viable and successful precision machining company and now competes with other leading CNC machine shops in PA to serve high-end business in Pennsylvania, New Jersey, New York, Delaware, Maryland, and Wisconsin, Michigan, California, and outside the US in Canada.

Importance of Tight Tolerances in CNC Machining
Today’s manufacturers demand tight tolerances to ensure that their products or systems are assembled easily and perform their required function with minimal adjustment. Properly designed specifications can reduce production time and costs to customers.

To machine parts that are complex in terms of accuracy, machinability, and delivery time, John Prosock utilizes advanced CNC precision machining operations. John Prosock Machine Inc. invested in revolutionary CNC equipment since its inception to the market. Years of experience in evaluating equipment has given us the know-how to purchase the machines that meet and exceed even the most challenging customer demands.

Refining existing precision machining techniques
CNC machine companies are always searching for better chipbreakers, geometries, and coating to improve tolerances in precision machining and John Prosock Machine is no exception. The integration of thin-film diamond-coated inserts is just one example of how John Prosock Machine is striving to refine already superior techniques. A diamond’s strength, low coefficient of friction, and excellent thermal conductivity characteristics make diamond indexible inserts ideal for numerous metal cutting applications. The low coefficient of friction helps chips move across the various faces of the insert smoothly and discourages material buildup on the cutting edge and insert body.

Discovering new ways
to enhance precision machining

CNC, or computer numerical control, is relatively new and improvements are still regularly being introduced. John Prosock utilizes state-of-the-art CNC controls to avoid resonance in the machine and to improve axis and coordination functions for better precision machining. As the world of control technology evolves so does John Prosock Machine.

Buying the right tools, refining existing techniques, and finding ways to machine parts to more rigid standards is what sets John Prosock Machine Inc. apart from the competition. John Prosock equips the shop with 11 mills, 14 lathes, a screw machine and multi-axis lathe, and staffs some of the best machinists the industry has to offer. When the precision of these machines combines with the dedication of our employees, John Prosock Machine customers end up with parts of consistent accuracy and the guarantee that extreme attention to detail has been taken into consideration.

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"When we get positive feedback it means we've done our job and the customer likes them so much that they take time from their busy schedule to write us a letter or do something nice for us." Josh, 4 years of service
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