33 Surface Grinder Manufacturers in 2023
This section provides an overview for surface grinders as well as their applications and principles. Also, please take a look at the list of 33 surface grinder manufacturers and their company rankings.
Table of Contents
What Is a Surface Grinder?
Surface grinders, as the name implies, are grinders that grind the flat surface of a workpiece and are the most commonly used in the machining shop.
Surface grinders can be classified into several categories according to the shape of the table on which the workpiece is set and the shape of the grinding wheel spindle on which the grinding wheel is set.
Depending on the shape of the table, they can be classified into two types: square table type and rotary table type.
The square table type can be further classified into three types according to the shape of the grinding wheel spindle.
There is the horizontal type, in which the wheel spindle is horizontal to the ground; the vertical type, in which the wheel spindle is perpendicular to the ground; and the gantry type, which has a sliding part to move the wheel spindle head horizontally.
There are many different types of surface grinders, each with its advantages and disadvantages, so selecting the appropriate one to grind is necessary.
Uses of Surface Grinders
A grinder presses a workpiece against a grinding wheel that rotates at high speed to cut the workpiece little by little.
The amount of work that can be ground is much smaller than that of milling, which is a flat-cutting process.
In a horizontal spindle surface grinder with a square table, a cut is made when the table moves back and forth from side to side, and the maximum cut is 0.01 to 0.2 mm during rough grinding and 0.01 mm during finish grinding.
However, grinding with a wheel can finish the machined surface satisfactorily.
Surface grinders are generally used for finishing workpieces, such as hardened steel, that have mainly flat geometries.
Principle of Surface Grinders
Comparing the horizontal square table type and the rotary table type, the flat square table type has a smaller contact area between the grinding wheel and the workpiece, so it can perform precision grinding, although its machining efficiency is lower.
The rotary table type has a larger contact area between the grinding wheel and the workpiece, resulting in higher grinding efficiency. Generally, a grinding wheel with low cohesion and large grain size is selected.
However, since the rotational speed varies depending on the grinding position, the finished surface is somewhat worse.
In the horizontal square table type, there are plunge cut grinding, traverse cut grinding, and bias grinding, depending on how the table is moved in relation to the grinding wheel axis.
The appropriate grinding method is selected according to the grinding range of the workpiece relative to the wheel width and the required surface finish.
Grinding conditions must be determined before grinding.
The three conditions are the wheel speed, workpiece feed rate, and depth of cut of the wheel spindle.
The peripheral speed determines the wheel speed. Usually, a surface grinder should be set to a speed that allows a peripheral rate of 1,200 to 1,800 m/min.
The feed rate of the workpiece is the feed rate of the table.
It varies depending on the material and hardness of the workpiece and the required surface roughness, but for finish grinding, it is generally set to 30,000 to 50,000 mm/min.
List of 33 Surface Grinder Manufacturers
*Including some distributors, etc.
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- Company Size: largest first
- Year Founded: oldest first
- Year Founded: earliest first
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- United States of America
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Lapmaster Wolters
Surface Grinders
Company Overview
LAPMASTER WOLTERS’s roots go back as far as 1804 with the founding of Peter Wolters. Lapmaster was founded in Chicago in 1948 as a manufacture of lapping and polishing machines for the mechanical seal market, Lapmaster has grown to a worldwide solution provider for more than 20 industries like precision optics and advanced materials. Lapmaster serves many industries including automotive, semiconductor, electro optics, and medical devices. Lapmaster also sells many consumables including abrasive powders, lapping compounds diamond lubricants, and composite plates. Products include lapping, polishing, bore honing, buffing, grinding, and special purpose machines.
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F P Miller Company
Surface Grinders
Company Overview
F.P. Miller Company opened for business in Chicago, Illinois in the 1950s. F.P. Miller is a distributor for new and used machinery sales, rebuilding, and machine repair services including on-site repairs for parts, machines, and systems used in manufacturing. F.P. Miller’s offerings of new equipment includes many models of air hydraulic presses, air compressors, and grinders, as well as accessories including dust & mist collectors and digital readouts. Used equipment includes heavy machinery such as vertical spindle rotary surface grinders as well as systems such as pallet racks.
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DEPRAG USA
Surface Grinders
Company Overview
DEPRAG USA is the Lewisville, Texas-based headquarters of DEPRAG, originally founded in 1931. DEPRAG is a distributor of assembly equipment and tools and industrial machinery. DEPRAG’s product lines include advanced screw driving technology with automatic screwdrivers, sequence controllers, measuring technology, accessories, and individual solution offerings. Other product segments include feeding technology including bowl feeders and sword feeders among others, automation including standardized assembly systems and intelligent manual work stations, air motors featuring vane motors and turbine motors, industrial tools, and “Green Energy Turbines segment featuring energy recovery.
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Wharton Hardware and Supply
Surface Grinders
Company Overview
Wharton Hardware and Supply is a family-operated business that was founded in 1948 in Philadelphia, Pennsylvania and has branched to several locations across the United States. Wharton operates in 3 segments: products, sales & rental, and services. The products segment includes road & bridge concrete accessories, safety equipment, abrasives and cutting tool products, plumbing-related products, topological products, fasteners, bits and drill equipment, as well as power tools. The sales & rental segment offers heavy duty construction equipment from major brands. The services segment includes repair and testing for tools and equipment.
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Ohio Power Tool
Surface Grinders
Company Overview
Ohio Power Tool, Inc was founded in Columbus, OH in 1983. OPT has 3 primary operating segments: sales, rental, and repair. Sales and rental segments include air compressors and other air tools, concrete & masonry saws, concrete core drills, cordless and electric corded tools, gas detection, generators, hand tools, hydraulic cylinders and pumps, inspection equipment, jobsite cleanup equipment, ladders and lifting equipment, levels, pipe cutting & threading equipment, as well as safety and storage equipment. The repair segment includes testing and recalibration and uses factory parts.
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Dawson-Macdonald Co., Inc.
Surface Grinders
Company Overview
Dawson-Macdonald Co., Inc. was founded in 1928 and is headquartered in Wilmington, Massachusetts. Dawson-Macdonald is a developer and producer of production manufacturing equipment, systems, and supplies for surface preparation.Dawson-Macdonald’s product offerings include air filtration equipment, abrasives, air blast equipment, shot blast equipment, wet blast equipment, wheel blast equipment, and vacuum systems. Dawson-Macdonald also offers rental options as well as preventative maintenance, service, and repair both in house or in the field.
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Hildebrand Machinery Co., Inc.
Surface Grinders
Company Overview
Hildebrand Machine Company, Inc was founded in 19773 and operates out of York, Pennsylvania. Hildebrand Machine Company is a distributor and trader of new and used metalworking machinery in machine/equipment and tooling categories. Air compressors, balancers, blast cabinets, lathe chucks, coolant tanks, drill presses, arm drills, dust collectors, polishing machines, engine lathes, and rotary tables are among the machinery listings. Tooling includes angle plates, boring tools, broaching, counterbores, grinder tooling, punch and dies, tapping, tool holders, and vises.
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Standard Machine Tools
Surface Grinder
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Marindus Co., Inc.
Surface Grinders
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Surface Grinder Manufacturer Ranking
*Including some distributors, etc.Ranking as of March 2023 in United States of America
Derivation Method| Rank | Company | Click Share |
|---|---|---|
| 1 | Standard Machine Tools | 33.3% |
| 2 | Phillips Machine Tools India Pvt. Ltd. | 33.3% |
| 3 | The Ohio Broach & Machine Co. | 33.3% |
Ranking as of March 2023 Globally
Derivation Method| Rank | Company | Click Share |
|---|---|---|
| 1 | Standard Machine Tools | 33.3% |
| 2 | Phillips Machine Tools India Pvt. Ltd. | 33.3% |
| 3 | The Ohio Broach & Machine Co. | 33.3% |
Derivation Method
The ranking is calculated based on the click share within the surface grinder page as of March 2023. Click share is defined as the total number of clicks for all companies during the period divided by the number of clicks for each company.Number of Employees
Newly Established Company
- Tong Yi Machinery Inc.: 1996 (27 years ago)
- Dongguan City Biga Grating Machinery Co., Ltd: 1996 (27 years ago)
- Kent Industrial USA, Inc.: 1979 (44 years ago)
Company with a History
- Kent Industrial USA, Inc.: 1979 (44 years ago)
- Tong Yi Machinery Inc.: 1996 (27 years ago)
- Dongguan City Biga Grating Machinery Co., Ltd: 1996 (27 years ago)
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