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Internal grinding machine(cnc) - List of Manufacturers, Suppliers, Companies and Products

Internal grinding machine Product List

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Internal Grinding Machine "T-135N, T-1354N CNC Internal Grinding Machine"

Internal Grinding Machine "T-135N, T-1354N CNC Internal Grinding Machine"

Large CNC internal grinding machine compatible with large diameter sizes up to an inner diameter of 610mm.

The internal grinding machine "T-135N, T-1354N CNC Internal Grinding Machine" is a large chuck-type CNC internal grinding machine that accommodates large diameter sizes up to an inner diameter of 610mm (φ560 for T-1354N). The T-1354N is equipped with an extended bridge that allows the spindle unit to move 1,100mm to the left and right, making it suitable for long workpieces and taper processing. For more details, please download the catalog.

  • Grinding Machine

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Internal Grinding Machine "T-127N, T-167N CNC Internal Grinding Machine"

Internal Grinding Machine "T-127N, T-167N CNC Internal Grinding Machine"

Medium-sized CNC internal grinding machine for small to medium production processing with improved segment changeability and precision adjustment.

The internal grinding machines "T-127N, T-167N CNC" are medium-sized CNC internal grinders designed for small to medium production processing of medium to large diameter bearings with workpiece outer diameters ranging from 90 to 240 mm. They feature improved changeover capability and precision adjustment. The two-shoe magnet work support system contributes to the productivity of high-precision bearings. For more details, please download the catalog.

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[Processing Example] Thin-Walled Workpiece CNC Internal Grinding Machine STG-6N

[Processing Example] Thin-Walled Workpiece CNC Internal Grinding Machine STG-6N

Applying the technology cultivated in mass production of precision parts to general-purpose internal grinding machines! Introducing our processing examples.

We would like to introduce our processing case that has achieved high-precision machining of thin-walled workpieces. Workpieces that require internal grinding often demand not only roundness and surface roughness but also runout (coaxiality) relative to the outer diameter. This is particularly challenging for thin-walled workpieces, where deformation due to gripping becomes an issue. To address this, we have equipped our CNC internal grinding machine STG-6N, which we manufacture and sell, with a newly developed 2-roll 1-shoe spindle, enabling high-precision machining of thin-walled workpieces. 【Case Overview】 ■Challenges - Susceptible to deformation due to gripping ■Results - Uniform wall thickness relative to the reference workpiece's outer diameter - Dramatic improvement in coaxiality of the inner diameter relative to the outer diameter after machining - Reduced deformation of the workpiece due to gripping, leading to expected improvements in roundness *For more details, please refer to the PDF document or feel free to contact us.

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  • Grinding Machine

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Internal Grinding Machine "T-137N, T-177N CNC Internal Grinding Machine"

Internal Grinding Machine "T-137N, T-177N CNC Internal Grinding Machine"

Compatible with outer diameters up to 320mm, suitable for small to medium production processing of large bearings.

The internal grinding machines "T-137N, T-177N CNC" are large CNC internal grinders designed for processing large-diameter bearings with a workpiece outer diameter of up to 320mm, featuring improved changeover capability and precision adjustment. They promise stable high-precision processing with high machine rigidity and workpiece support using a 2-shoe magnet. For more details, please download the catalog.

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Internal Grinding Machine "T-125N, T-1254N CNC Internal Grinding Machine"

Internal Grinding Machine "T-125N, T-1254N CNC Internal Grinding Machine"

Ideal for high-precision machining of ultra-precision mechanical parts, optical parts, and mold parts.

The internal grinding machine "T-125N, T-1254N CNC Internal Grinding Machine" is a medium-sized CNC internal grinding machine with a chuck type, ideal for high-precision machining of ultra-precision mechanical parts, optical components, and mold parts. It accommodates medium diameter sizes up to an inner diameter of 250mm and offers options such as a 40% turret specification, automatic spindle swivel device, and C-axis NC stroke specification, all designed to support high-precision machining. For more details, please download the catalog.

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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.

  • STG-6N斜161031.jpg
  • gear
  • Processing Contract

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

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

Shortening Cycle Time! Introducing Examples of Processing Neodymium Magnets

We would like to introduce a case study of "magnet" processing that we conducted. Our goal was to improve processing accuracy and achieve in-house production of workpieces that our customers had been outsourcing. Compared to before implementation, processing time was reduced by 65%, achieving a surface roughness of Ra 1.5μm or less and roundness of 1.5μm or less. 【Case Overview】 ■ Processing dimensions: φ4mm × 26.4mm ■ Material: Neodymium magnet ■ Features: Special material, long hole (L/D = 6.6) ■ Model: STG-3N ■ Spindle: M8H-T (Max 80,000rpm) *For more details, please refer to the related links or feel free to contact us.

  • STG-3NX-右フリ-脚低.jpg
  • 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.

  • STG-6N斜161031.jpg
  • Other processing machines
  • Other molds

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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.

  • STG-3NX-右フリ-脚低.jpg
  • Ceramics
  • Other machine elements

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[Processing Example] Guide Bush <Flange on Outer Diameter> CNC Internal Grinding Machine

[Processing Example] Guide Bush <Flange on Outer Diameter> CNC Internal Grinding Machine

Surface roughness should be below Ra0.2μm! Here are examples of machining guide bushes made of SUJ2 material.

We would like to introduce a processing example of "guide bushes" that we conducted. The model used is STG-6N. The processing dimensions are φ13mm×25mm, and the material is SUJ2. The background for the introduction is the improvement of productivity through reduced processing time. As a result of the introduction, the surface roughness was achieved at Ra0.2μm or below, and the roundness was realized at 0.8μm or below. 【Case Overview】 ■ Processing dimensions: φ13mm×25mm ■ Material: SUJ2 ■ Features: Flange on the 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.

  • STG-6N斜161031.jpg
  • Other molds
  • Mold Design
  • Processing Contract

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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.

  • STG-3NX-右フリ-脚低.jpg
  • Other processing machines

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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.

  • STG-3NX-右フリ-脚低.jpg
  • Dice
  • Processing Contract

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[Processing Example] Guide Bush <Long Hole> CNC Internal Grinding Machine STG-6N

[Processing Example] Guide Bush <Long Hole> CNC Internal Grinding Machine STG-6N

Compared to before the introduction, processing time reduced by 35%! Introducing a case study of mold processing featuring long holes.

We would like to introduce a processing case of "guide bushes" that we conducted. As a background for the introduction, we proposed improving productivity by reducing processing time. The processing dimensions are φ24×67mm. The material is SUJ2, and the feature is a long hole. As a result of the introduction, we achieved a 35% reduction in processing time, a surface roughness of Ra0.4μm or less, and roundness of 1.5μm or less. 【Case Overview】 ■ Processing dimensions: φ24×67mm ■ Material: SUJ2 ■ Feature: Long hole ■ 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.

  • STG-6N斜161031.jpg
  • Processing Contract
  • Mold Design

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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.

  • STG-6N斜161031.jpg
  • Processing Contract

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Internal Grinding Machine "T-11L" (Chuck Type)

Internal Grinding Machine "T-11L" (Chuck Type)

A cylindrical grinding machine equipped with three types of models to accommodate various processing applications.

This machine is a high-performance internal grinding machine with high precision, high rigidity, and excellent productivity, boasting a significant market share in the home appliance and automotive parts industries, and is available in three types of models. [T-11L19] Standard model among the three types with manual workpiece loading [T-11L59] Fully automatic machine equipped with a small loader for mass processing of small to medium-sized parts [T-11L57] Fully automatic machine equipped with a large loader for mass processing of medium to large-sized parts For more details, please download the catalog.

  • Grinding Machine

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