Grinders

grinder running 24/7 with no downtime

Grinder Retrofits stands at the forefront of grinder technology.

Specializing in grinders of all kinds, from an array of manufacturers, our team possesses the skills and resources needed to upgrade your older CNC machines into high-performance automatic grinding systems.

We offer an unmatched blend of quality and ingenuity, overseeing every facet of your project with precision.

Trust Grinder Retrofits to take full ownership of your upgrade, ensuring meticulous attention to detail every step of the way.

Surface Grinders

A surface grinder achieves a flat, smooth surface by moving a workpiece across a spinning grinding wheel. The workpiece sits on a magnetic or hydraulic table that moves back and forth under the wheel. As the wheel removes material in precise increments, you can adjust its height to control the depth of cut.

This machine is particularly effective for creating flat surfaces on metal parts with tight tolerances. Moreover, keeping the wheel properly dressed and aligned, combined with ensuring the workpiece is securely clamped, will lead to optimal results.

Centerless Grinders

A centerless grinder is great for grinding cylindrical parts without needing to clamp them in place. Instead, the workpiece sits between two wheels: a grinding wheel that does the cutting and a regulating wheel that controls the speed and rotation. Consequently, the regulating wheel helps feed the part through the grinder, ensuring you get consistent results on every piece. This setup is super efficient for making lots of parts quickly and accurately. However, for smooth operation, you need to get the wheel alignment just right and adjust the feed rate depending on the material and size of the workpiece.

Double Disc Grinders

A double disc grinder uses two abrasive discs to grind both sides of a workpiece simultaneously, ensuring uniform thickness and smooth surfaces. The workpiece is fed between the discs, which rotate in opposite directions to achieve precise, parallel finishes. This setup is ideal for high-volume production where consistent thickness and surface quality are critical, such as in automotive or aerospace components. Skilled operators must carefully adjust the machine settings, including disc alignment and feed rate, to maintain accuracy and prevent defects.

Plunge Grinders

A plunge grinder precisely grinds specific spots on a workpiece by pushing the grinding wheel straight into the material. First, you place the workpiece in position, and then the wheel moves up and down to remove material from a targeted area.

This method is ideal for achieving precise cuts or shapes. Moreover, you can adjust the depth of the wheel with each pass to achieve the exact finish you want. Therefore, ensure that the wheel aligns correctly and the workpiece remains securely clamped to obtain the best results.

Roll Grinders

A roll grinder smooths large, cylindrical rolls used in paper or metal mills. You place the roll between two large, spinning grinding wheels. As the wheels turn in opposite directions, the roll moves between them, ensuring an even grind.

Additionally, you can adjust the material removal and surface smoothness with each pass. This machine is crucial for keeping rolls in top shape for production. Therefore, make sure the wheels align properly and the roll is securely set up to achieve the best results.

Bore Grinders

A bore grinder is designed for precision grinding of the inside surfaces of holes or bores in metal parts. You place the workpiece on a spindle, and the grinding wheel is positioned to rotate inside the bore. As the wheel turns, it removes material from the interior surface to achieve the desired diameter and finish.

You can adjust the wheel’s position and speed to control how much material is taken off and how smooth the surface becomes. Consequentially, this machine is essential for parts that need very accurate internal dimensions. Ensure the wheel is properly set up and the workpiece is securely mounted for the best results.

Cam Grinders

A cam grinder shapes camshafts, which control the timing in engines. Start by mounting the camshaft on the machine and set the grinding wheel to match the exact shape needed. As the camshaft turns, the wheel grinds the cam profiles to achieve the right dimensions and smoothness.

Adjust the wheel’s position and speed to ensure a precise grind. This machine is crucial for perfecting cam lobe profiles in engines. Keep everything aligned and set up correctly to get the best results.

Race Grinders

A race grinder is used to grind the races of ball or roller bearings to precise dimensions. You start by setting the bearing races on the machine. Then, the grinding wheels, which are positioned to match the race profiles, spin and grind away material. As the races turn, the wheels smooth out their surfaces. You can adjust the wheel settings and alignment to handle different sizes and get the right finish. This machine is key for making sure the bearing races are perfectly round and smooth, which is important for smooth, reliable performance. Just make sure everything is properly aligned for the best results.

Chamfer Grinders

A chamfer grinder shapes angled edges and bevels on metal parts to achieve precise finishes. The machine uses a grinding wheel that adjusts to the desired angle, which smooths and creates clean chamfers on the edges. It excels at removing sharp edges and achieving specific angles quickly. Users can handle various sizes and angles by adjusting the wheel and workpiece setup. Proper alignment and speed settings ensure a consistent, high-quality finish.

Don’t see the manufacturer of the grinding machine you need serviced?

Let’s chat! Odds are that one of our engineers has worked on a machine like yours before.

Call or text us anytime: (708) 480-2012


Our rebuilding and retrofitting meets ISO 16089:2015 standards.