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CNC Grinder Rebuild, from Start to Finish

  • Sep 09, 2019
  • Rob Webb

A CNC grinder rebuild is a process. It takes time, expert knowledge of grinders and grinding operations and a dedication to meeting customers’ needs.

The first step in the process is to realize a grinder rebuild is needed. The usual signs include:

  • Rising scrap rates
  • Decreasing part quality
  • Mounting maintenance costs
  • Aging equipment

Once you’ve decided that your CNC grinder needs refurbished, the next step is to find a partner that has the expertise to work with you throughout the entire process. At GCH Machinery, we don’t just take rebuild orders. We talk with the customer about their grinding cell and how it fits into their overall operation. We want to know what their greatest pain points are, as well as their operational wish list.

Better than Like-New

A good grinder rebuild can do more than just bring a machine back to like-new status – it also can help relieve production bottlenecks, improve part quality and boost productivity, among other benefits.

Once the rebuild is under way, we strip the CNC grinder down to bare metal, documenting each component. The base is methodically cleaned, sandblasted and repainted – not just for aesthetics but to help preserve it from future wear and tear.

We also review every part, component and assembly for issues, including the following systems:

  • Mechanical
  • Hydraulic
  • Electric
  • Pneumatic
  • Coolant
  • Tooling
  • Controls

Anything still in good shape gets carefully cleaned, hand-scraped (where appropriate), repainted (where needed) and set aside to be reinstalled. Anything found damaged or broken gets replaced. A side benefit is that the replacement parts often offer efficiencies, say when controls are replaced with updated models.

Processes that Meet Your Needs

When needed, we can move from rebuild territory to a full remanufacture by adding automation equipment or other upgrades.

After all the components have been cleaned or replaced, then we reassemble the CNC grinder into like-new – or even better-than-new – shape, which sounds like it would be the last step, but at GCH Machinery, it’s not.

Next, we invite the customer to our shop floor for product test runs to process the parts that will be ground once the machine is installed back at its original location. This testing protocol ensures that the part quality and specs laid out in our quoting document are met.

Once the CNC grinder has been approved for delivery, we make sure to provide complete documentation of the project, including:

  • A 100% new bill of materials
  • CE, GOST or other certifications
  • Complete setup instructions
  • Safety features and standards
  • All electrical schematics
  • Required maintenance
  • Recommended spare parts list

Lastly, our support staff and field service technicians stand ready to provide the support you need when you need it. 

GCH Machinery has extensive experience rebuilding a wide range of CNC machines, including centerless grinders, surface grinders, ID grinders, OD / cylindrical and Microcentric grinders and all major brands, such as:

Contact us today to take advantage of our grinder rebuild expertise.

About Rob Webb

For the past 15 years, Rob has been an integral member of the GCH Machinery sales team. With over 25 years in the grinder industry, Rob understands the challenges of manufacturing and the critical role of grinders in a company’s success. Whether highly knowledgeable or grinder novices, Rob guides customers through their purchase – from application advice to machine acquisition – always striving to ensure that grinding tolerances, however stringent, are met to full satisfaction.

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