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Grinding Machine Product List and Ranking from 291 Manufacturers, Suppliers and Companies

Last Updated： Aggregation Period:Oct 22, 2025～Nov 18, 2025
This ranking is based on the number of page views on our site.

Grinding Machine Manufacturer, Suppliers and Company Rankings

Last Updated： Aggregation Period:Oct 22, 2025～Nov 18, 2025
This ranking is based on the number of page views on our site.

  1. null/null
  2. 三井ハイテック Fukuoka//Industrial Machinery
  3. シギヤ精機製作所 Hiroshima//Industrial Machinery
  4. 4 null/null
  5. 5 太陽工機 Niigata//Industrial Machinery
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Grinding Machine Product ranking

Last Updated： Aggregation Period:Oct 22, 2025～Nov 18, 2025
This ranking is based on the number of page views on our site.

  1. Internal Grinding Machine "T-11JA, T-11JAS" (Chuck Type) トーヨーエイテック
  2. High-temperature chain drive lubricant "Chain Master Series" Idemitsu Kosan Co.,Ltd. 潤滑油二部　セールス＆マーケティング課
  3. LOROMATIC NP Series Surface Grinding Machine
  4. Vertical Double-Head Surface Grinding Machine "V-5 Series" 日清工業
  5. 4 Precision Surface Grinding Machine 'MSG-200M/MSG-250M' 三井ハイテック

Grinding Machine Product List

436～450 item / All 889 items

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Fully Automatic Small Internal Grinding Machine 'SG2-C/R'

Fully Automatic Small Internal Grinding Machine 'SG2-C/R'

Equipped with a servo motor-driven two-arm loader for the chuck spindle, achieving high-speed self-feeding!

The "SG2-C/R" is a space-saving internal grinding machine that inherits the "SG1-IB" and is capable of mounting a chuck spindle. It supports various machining processes, such as sheet surfaces, with 2-axis interpolation control. The grinding wheel spindle can be mounted to rotate from 80,000 to 180,000 RPM. Additionally, it accommodates various applications such as a front sizing device and an AE sensor-equipped dressing device, achieving significant miniaturization compared to conventional chuck-type machines. 【Features】 ■ Chuck and centerless for automotive parts processing ■ Equipped with a high-precision chuck spindle ■ Grinding wheel spindle can be mounted to rotate from 80,000 to 180,000 RPM ■ Equipped with a servo motor-driven 2-arm loader for high-speed feeding ■ Main body dimensions: 850mm(W) × 1,162(D) × 1,580(H) *For more details, please refer to the PDF document or feel free to contact us.

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【Small-diameter machining & productivity improvement】General-purpose CNC internal grinding machine *Test machining available

【Small-diameter machining & productivity improvement】General-purpose CNC internal grinding machine *Test machining available

We offer two models: the STG-3NX, which can achieve a minimum inner diameter finish of 0.3mm, and the STG-6N, which accommodates inner diameters up to 100mm. *Short delivery times available.

The "STG Series" is a versatile internal grinding machine equipped with a unique high-speed, high-precision, and high-rigidity spindle mounted on a grinding wheel shaft, achieving improved processing accuracy and productivity for inner diameter finishing. There are two models in the lineup: the "STG-3NX," which comes standard with a 4-inch chuck, and the "STG-6N," which is equipped with a 6-inch chuck. Both models are compact in size, allowing for space-saving installation. 【Features】 <STG-3NX> A compact versatile internal grinding machine that significantly improves the accuracy and productivity of small diameter hole finishing. - Capable of grinding inner diameters as small as φ0.3mm. - Standard equipped with a scroll chuck that can handle small-batch production of various types. - Suitable for chuck collets, mold components, ring gauges, carbide parts, ceramic parts, magnets, etc. <STG-6N> A compact versatile internal grinding machine that achieves precision and high-efficiency processing for a wide variety of products with outer diameters up to φ160mm. - Compatible with a wide range of workpieces with outer diameters up to φ160mm. - Compatible with FANUC's FIELD system. - Suitable for gears, mold components, ring gauges, chuck collets, hydraulic parts, automotive parts, etc. *For more details, please refer to the documentation.

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【Basic Knowledge】What is a Grinding Machine?

【Basic Knowledge】What is a Grinding Machine?

Processing while shaving off the surface! It slowly shaves off a little at a time, achieving high precision.

A "grinding machine" is equipment used to process workpieces by pressing a high-speed rotating grinding wheel against the material to be machined. Since it processes by grinding away the surface, it takes longer to achieve the desired shape compared to cutting processes that involve cutting the material. However, because it grinds slowly and gradually, it can achieve high precision. It is commonly used in the finishing process to enhance surface accuracy after shaping the workpiece into the desired form through cutting processes. 【Features】 ■ Presses a high-speed rotating grinding wheel against the material to be processed ■ Used in the finishing process to enhance surface accuracy ■ Manual grinding machine: Small, handheld for processing materials ■ Machine grinding machine: Installed in factories such as manufacturing industries *For more details, please refer to the related links or feel free to contact us.

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Types of Grinding Machines

Types of Grinding Machines

The surface grinding machine consists of a table and a grinding wheel! It affects the shape of the workpiece and the precision during processing.

The grinding machine can be classified according to the purpose of processing and the shape of the material to be processed. The "surface grinding machine" is primarily equipment for performing surface grinding, and it can be used for various types of grinding depending on the direction of movement of the workpiece and the way the grinding wheel is applied. In addition, there are "internal grinding machines" for performing internal grinding, "cylindrical grinding machines" that rotate the grinding wheel in the opposite direction to the workpiece, "centerless grinding machines," and "tool grinding machines." [Types of Grinding Machines (Excerpt)] ■ Surface Grinding Machine - Achieves both high dimensional accuracy and high precision surface roughness - Capable of achieving high flatness and parallelism on both sides of the workpiece ■ Internal Grinding Machine - Standard type: Both the workpiece and the grinding wheel are rotated while the grinding wheel is moved back and forth - Planetary type: The workpiece is fixed while only the grinding wheel rotates *For more details, please refer to the related links or feel free to contact us.

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The performance of internal grinding machines is being sought for improvement across various industries.

The performance of internal grinding machines is being sought for improvement across various industries.

At Seiko Instruments, we have provided solutions by addressing our customers' needs.

Internal grinding is a type of grinding process that involves grinding the inner surface of cylindrical workpieces. In various industries such as automotive, home appliances, and information devices, where high functionality and complex internal structures are advancing, there is a demand for small, high-precision parts. In internal grinding used for processing these parts, a balance between high processing accuracy and productivity is desired. Additionally, beyond processing accuracy, the equipment itself for internal grinding machines must also meet various requirements. [Challenges] - Balancing high processing accuracy and productivity - The equipment for internal grinding machines must also respond to various demands - Space-saving and cost-effective equipment - Consideration for the environment - Improvement of processing accuracy and efficiency *For more details, please refer to the related links or feel free to contact us.

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[Processing Example] Alumina General-purpose Grinding Machine CNC Internal Grinding Machine STG-3N

[Processing Example] Alumina General-purpose Grinding Machine CNC Internal Grinding Machine STG-3N

Introduction of a machining case where processing time was reduced by 50% and cylindricity was improved.

We would like to introduce a case study of "alumina" processing conducted by our company. In the customer's equipment, the roundness was approximately 4μm with a processing time of 2400 seconds, so we proposed a processing method to improve the roundness in about half the processing time. Compared to before implementation, we achieved a 50% reduction in processing time, a surface roughness of Ra 0.5μm or less, and a roundness of 1.0μm or less. 【Case Overview】 ■Processing dimensions: φ3.1mm×22.5mm ■Material: Alumina ■Features: Special material, long hole (L/D=6.4) ■Model: STG-3N ■Spindle: M15H-T (Max 150,000rpm) *For more details, please refer to the related links or feel free to contact us.

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  • Other processing machines

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[Processing Example] Die General-purpose Grinding Machine CNC Internal Grinding Machine STG-6N

[Processing Example] Die General-purpose Grinding Machine CNC Internal Grinding Machine STG-6N

Achieving roundness of 0.8μm or less! Here are examples of cases where we proposed our spindles.

We would like to introduce a case study of "dice" processing that we conducted. In the customer's equipment, increasing the spindle rotation speed led to unstable precision, creating distrust in the spindle. Therefore, we proposed that our spindle maintains stable precision even at maximum rotation speed. Compared to before implementation, we achieved a 50% reduction in processing time and roundness of less than 1.0μm. 【Case Overview】 ■Processing dimensions: φ7.8mm×7mm ■Material: Carbide ■Features: Special outer diameter ■Model: STG-6N ■Spindle: SSPG-045 T100 (Max 45,000rpm) *For more details, please refer to the related links or feel free to contact us.

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  • Other processing machines
  • Other molds

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[Processing Example] Die <Difficult-to-Cut Material> CNC Internal Grinding Machine STG-3N

[Processing Example] Die <Difficult-to-Cut Material> CNC Internal Grinding Machine STG-3N

As a result of the introduction, processing time reduced by 80%! Introducing a case study of die processing featuring difficult-to-cut materials.

We would like to introduce a case study of the processing of "dice" that we conducted. To shorten processing time, we introduced the "STG-3N." The processing dimensions are φ5mm×3mm, and the material used is carbide nib. As a result of the introduction, processing time was reduced by 80% compared to before, and the surface roughness was less than Ra0.2μm. 【Case Overview】 ■ Processing dimensions: φ5mm×3mm ■ Material: Carbide nib ■ Features: Difficult-to-cut material ■ Model: STG-3N ■ Spindle: M11H-TM (Max 110,000rpm) *For more details, please refer to the related links or feel free to contact us.

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  • Dice
  • Processing Contract

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[Processing Example] Sleeve <Difficult-to-Cut Material> CNC Internal Surface Grinding Machine STG-3N

[Processing Example] Sleeve <Difficult-to-Cut Material> CNC Internal Surface Grinding Machine STG-3N

We will introduce examples of sleeve processing, which has reduced processing time by 80% compared to before implementation!

We would like to introduce a case study of machining sleeves (ceramic parts). The background for the introduction was the need to reduce processing time and improve shape accuracy and surface roughness. Compared to before the introduction, processing time was reduced by 80%, and the surface roughness is below Ra0.4μm, with roundness below 0.35μm. 【Case Overview】 ■ Machining dimensions: φ12mm×8mm ■ Material: Ceramics (SiC) ■ Features: Difficult-to-machine material ■ Model: STG-3N ■ Spindle: M11H-T (Max 110,000rpm) *For more details, please refer to the related links or feel free to contact us.

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  • Ceramics
  • Other machine elements

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[Processing Example] Gear CNC Internal Grinding Machine STG-6N

[Processing Example] Gear CNC Internal Grinding Machine STG-6N

We will introduce a case study of gear processing that has reduced processing time by 80% compared to before implementation!

We would like to introduce a case study of machining gears (mechanical components). The background for the introduction was the need to reduce machining time. Compared to before the introduction, machining time has been reduced by 80%, and the surface roughness has achieved a result of Ra0.1μm or less. 【Case Overview】 ■ Machining dimensions: φ40mm × 37mm ■ Material: SCM415 ■ Model: STG-6N ■ Spindle: SSPG-045 T100 (Max 45,000rpm) *For more details, please refer to the related links or feel free to contact us.

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  • gear
  • Processing Contract

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[Processing Example] Collet CNC Internal Grinding Machine STG-6N

[Processing Example] Collet CNC Internal Grinding Machine STG-6N

A case where the extensive rework within the factory significantly reduced the customer's work time, which had been a source of frustration.

Here are some examples of processing with Colette (tool). In the customer's owned equipment, there was significant dimensional variation in the workpieces after processing, making it difficult to control processing accuracy. This required rework for corrections, consuming a lot of time. After implementation, the customer's working time was significantly reduced, with processing time shortened by 70% and surface roughness achieved at Ra0.1μm or less. 【Case Overview】 ■ Processing dimensions: φ30mm×20mm ■ Material: Carbide ■ Features: Slits on the processed surface ■ Model: STG-6N ■ Spindle: SSPG-045 T100 (Max 45,000rpm) *For more details, please refer to the related links or feel free to contact us.

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  • Other machine elements
  • Processing Contract

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[Processing Example] Ring Gauge CNC Internal Grinding Machine STG-6N

[Processing Example] Ring Gauge CNC Internal Grinding Machine STG-6N

Improvement of product shape accuracy and reduction of cycle time are the background for the introduction! We will also introduce the effects of the implementation.

We would like to introduce a case study of the processing of "ring gauges" that we conducted. The processing dimensions are φ50mm × 20mm, and the material is SKS31. The background for the introduction was to improve product shape accuracy and reduce cycle time. After implementation, the surface roughness was reduced to Ra 0.1μm or less, and the roundness was less than 0.3μm, resulting in a 60% reduction in processing time compared to before implementation. 【Case Overview (Partial)】 ■ Background: Improvement of product shape accuracy, reduction of cycle time ■ Effects of Implementation - Surface roughness Ra 0.1μm or less - Roundness 0.3μm or less - Processing time reduced by 60% (compared to before implementation) *For more details, please refer to the related links or feel free to contact us.

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  • Processing Contract

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CNC Axis Groove Grinding Machine "KGV151"

CNC Axis Groove Grinding Machine "KGV151"

Demonstrates power in CVT ball groove grinding processing. Achieves high speed and high precision.

The CNC Axial Groove Grinding Machine "KGV151" is a grinding machine for ball grooves of CVT pulley shafts and splines of shaft workpieces. It achieves high-speed rotation and high rigidity of the spindle, allowing processing with small-diameter CBN grinding wheels. 【Features】 ○ High-speed and high-precision ○ Automatic workpiece phase alignment device (special accessory) ○ Automatic thermal distortion correction device (special accessory) ○ Automatic rotary dressing device (special accessory) For more details, please contact us or download the catalog.

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CNC Hob Blade Groove Grinding Machine "KG253"

CNC Hob Blade Groove Grinding Machine "KG253"

This is a hob blade groove grinding machine capable of high-precision hob blade sharpening work.

The CNC hob blade groove grinding machine "KG253" can sharpen hobs made from various materials, including high-speed steel and carbide, ranging from micron hobs to large diameter hobs. The KG253 series includes two types: one for straight gashes and one for lead gashes. 【Features】 ○ Capable of grinding leaded groove hobs (KG253L) ○ Easy setting of grinding wheel offset ○ Automatic phase matching function ○ Simple program input For more details, please contact us or download the catalog.

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NC Tool Grinding Machine UG-MaxPro

NC Tool Grinding Machine UG-MaxPro

Precision improvement! Efficiency improvement! This is a CNC tool grinding machine that cuts the influence of coolant.

The NC tool grinding machine UG-MaxPro adopts a dual-face constrained spindle HSK E50 and is equipped with roller guides on the linear axis. The drive components are concentrated outside the grinding chamber, pursuing high precision for the work head. It is also possible to NC-enable the simultaneous exchange of 9 sets of grinding wheel nozzles and the workpiece support device as options. 【Features】 ○ Adopts dual-face constrained spindle HSK E50 ○ Equipped with roller guides on the linear axis ○ Drive components are concentrated outside the grinding chamber ○ Pursues high precision for the work head ○ Options → Simultaneous exchange of 9 sets of grinding wheel nozzles → NC-enabling of the workpiece support device For more details, please contact us or download the catalog.

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