Last Updated： Aggregation Period:Apr 22, 2026～May 19, 2026
This ranking is based on the number of page views on our site.
Last Updated： Aggregation Period:Apr 22, 2026～May 19, 2026
This ranking is based on the number of page views on our site.
Last Updated： Aggregation Period:Apr 22, 2026～May 19, 2026
This ranking is based on the number of page views on our site.
421～450 item / All 880 items
Inherit quality within.
Based on the technology cultivated in watch manufacturing, we propose various grinding machines that achieve precision and high-speed processing. With expert craftsmanship, we provide compact and energy-efficient internal grinding machines that are friendly to the factory environment.
Introducing a chuck type for automotive parts processing that can accommodate a wide range of workpieces!
The "SIG-S II" is a compact, environmentally friendly high-precision and high-efficiency internal grinding machine. It features a hydraulic-free design and a table ball screw lubrication-free system. The combination of block-built units allows for versatile processing. It is suitable for workpieces such as gasoline and diesel injection nozzles and pumps, with processing specifications using a diaphragm chuck spindle. 【Features】 ■ Chuck type for automotive parts processing ■ Versatile processing possible with a combination of block-built units ■ Table ball screw lubrication-free ■ Hydraulic-free ■ Main body dimensions: 1,550mm(W) x 1,270mm(D) x 1,900mm(H) *For more details, please refer to the PDF document or feel free to contact us.
Expanding the range of workpieces through dual-axis conversion! A high-precision, high-efficiency internal grinding machine based on a new concept.
The "SIG-Evo1s/2s" is a fully automatic high-precision internal grinding machine that pursues high processing accuracy and productivity. The "SIG-Evo2s" is equipped with two grinding spindle axes to accommodate complex machining. It employs oil hydrostatic guidance for the spindle and grinding spindle table, enabling high-speed and high-precision position control with linear motor drive. Furthermore, with 2-axis linear interpolation control, it can handle tapered surfaces at arbitrary angles, making setup work easier. 【Features】 ■ Chuck type for automotive parts processing ■ Oil hydrostatic guidance for the spindle and grinding spindle table ■ High-speed and high-precision position control with linear motor drive ■ Built-in motor type oil hydrostatic and dynamic pressure hybrid bearing spindle ■ Main body dimensions: 1,600mm(W) × 1,700mm(D) × 1,400mm(H) *For more details, please refer to the PDF document or feel free to contact us.
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.
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.
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.
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.
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.
![[Processing Example] Alumina General-purpose Grinding Machine CNC Internal Grinding Machine STG-3N](https://image.mono.ipros.com/public/product/image/fca/2001032936/IPROS37202342486733079828.png?w=280&h=280)
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.
![[Processing Example] Die General-purpose Grinding Machine CNC Internal Grinding Machine STG-6N](https://image.mono.ipros.com/public/product/image/d7d/2001032945/IPROS78753934376347986945.png?w=280&h=280)
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.
![[Processing Example] Die <Difficult-to-Cut Material> CNC Internal Grinding Machine STG-3N](https://image.mono.ipros.com/public/product/image/adc/2001060740/IPROS72373288977953842577.png?w=280&h=280)
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.
![[Processing Example] Sleeve <Difficult-to-Cut Material> CNC Internal Surface Grinding Machine STG-3N](https://image.mono.ipros.com/public/product/image/794/2001089824/IPROS28931679305268625192.png?w=280&h=280)
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.
![[Processing Example] Gear CNC Internal Grinding Machine STG-6N](https://image.mono.ipros.com/public/product/image/59a/2001089830/IPROS39160207823877947006.png?w=280&h=280)
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.
![[Processing Example] Collet CNC Internal Grinding Machine STG-6N](https://image.mono.ipros.com/public/product/image/aae/2001089836/IPROS60254659041497597971.png?w=280&h=280)
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.
![[Processing Example] Ring Gauge CNC Internal Grinding Machine STG-6N](https://image.mono.ipros.com/public/product/image/7e1/2001127443/IPROS45411917330551645330.png?w=280&h=280)
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.
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.
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.
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.
Everything is for improving processing accuracy and efficiency! The "TGR-250" has been renewed for even higher precision.
The "TGR-250α" is a CNC tool grinding machine equipped with the new grinding program system "ITPS8." It allows for the automatic simultaneous exchange of the grinding wheel axis and coolant nozzle axis, eliminating the need for coolant nozzle adjustments with each grinding wheel change, thus reducing setup time. The bed has been redesigned to achieve even greater rigidity, and it also features a bed coolant circulation function to minimize the effects of thermal distortion. Additionally, the durability of each axis guide has been improved. 【Features】 ■ Newly designed automatic exchange system for grinding wheel axis and nozzle axis (set of 6) ■ Redesign of the main body structure ■ Equipped with the new grinding program system "ITPS8" ■ Automatic drill negative land processing *For more details, please refer to the PDF document or feel free to contact us.
Maximum 24.5 kW for grinding wheel spindle drive! Introducing the FANUC 30i-B CNC tool grinding machine for NC models.
We would like to introduce our CNC tool grinding machine, the 'TGR-032'. It features a sophisticated compact body, with a minimum diameter of Φ1 to a maximum diameter of Φ32mm. The maximum shank diameter is Φ32mm, and the maximum cutting tool length is 150mm. Additionally, the basic control axis consists of 5 axes (simultaneous 5-axis), and the rotation axis drive method is direct drive. Please feel free to contact us if you have any inquiries. 【Specifications (partial)】 ■ Minimum diameter / Maximum diameter: Φ1 to Φ32mm ■ Maximum shank diameter: Φ32mm ■ Maximum cutting tool length: 150mm ■ Protrusion from the work head end face: 250mm ■ Overall length: 300mm *For more details, please download the PDF or feel free to contact us.
Significantly improved operability! It features a large 15-inch touch panel!
The "SFG-35 Series" is a grinding machine capable of processing workpieces up to 6 inches in size with the same high precision as the SFG-28. It achieves a maximum gripping work size of φ150mm × L150mm and a maximum processing length of 100mm. It can process continuous shapes such as R shapes, tapers, and straight lines with high precision and efficiency for both inner and outer diameters. The lineup includes "SFG-35P," "SFG-35HP," and "SFG-35UP." 【Features】 ■ Up to 2 trueing units can be installed inside the machine ■ Achieves nano-level slide positioning and rotational accuracy ■ Thorough temperature management of the machine, designed to be less affected by changes in room temperature ■ Supports composite processing of "cutting + grinding" (excluding some super hard materials) *For more details, please refer to the PDF document or feel free to contact us.
Equipped with up to 2 tooling units! A grinding machine capable of processing continuous shapes with high precision.
The "SFG-28P/HP/UP" is a precision grinding machine capable of processing continuous shapes such as R shapes, tapers, and straights with high precision and efficiency for both inner and outer diameters. It achieves nano-level slide positioning and rotational accuracy. The machine is designed to thoroughly manage temperature, making it less susceptible to changes in room temperature. It also supports composite processing of "cutting + grinding" for materials such as SKD and high-speed steel. 【Features】 - High precision and efficiency in processing continuous shapes for both inner and outer diameters - Capable of mounting up to two truing units inside the machine - Achieves nano-level slide positioning and rotational accuracy - Designed to be less affected by changes in room temperature - Supports composite processing of "cutting + grinding" for materials such as SKD and high-speed steel *For more details, please refer to the PDF document or feel free to contact us.
Achieving nano-level slide positioning and rotation accuracy! Capable of processing workpieces up to 6 inches in size.
The "SFG-35P/HP/UP" is a high-precision free-form internal grinding machine capable of processing workpieces up to 6 inches in size with the same high accuracy as the "SFG-28." It achieves a maximum gripping work size of φ150mm × L150mm and a maximum processing length of 100mm. Continuous shapes such as R shapes, tapers, and straight lines can be processed with high precision and efficiency on both the inner and outer diameters. 【Features】 - Equipped with a large 15-inch touch panel, significantly improving operability. - Capable of mounting up to 2 tool changing units inside the machine. - Achieves nano-level slide positioning and rotational accuracy. - Thorough temperature management of the machine, making it less susceptible to changes in room temperature. - Supports composite processing of "cutting + grinding." *For more details, please refer to the PDF document or feel free to contact us.
Achieving high-precision processing by utilizing submicron-level repetitive measurement technology!
◇In-machine measurement function This function uses a touch probe on the tool table to measure the dimensions of the workpiece's R, taper, and straight shapes after processing within the machine. By repeating processing and measurement, it achieves machining with strict tolerances. As a feature of Seibu Electric, the combination of the machine's high positioning accuracy and high-precision touch probe enables high-precision machining. The minimum command unit for the X and Z axes of the high-precision free-form internal grinding machine SFG is 0.01μm (fully closed control). Both the work spindle and grinding wheel spindle are equipped with high-precision ceramic bearings, achieving high rigidity and high rotational accuracy. A constant temperature device is standard equipment, and special thermal countermeasures have been applied to various parts such as slides and spindles to ensure thermal stability.
Stable dimensional accuracy! We offer several types of dimensional measuring devices that accommodate thickness tolerance.
The "HLG-9" is a precision double-sided grinding machine that allows for easy processing of materials such as stainless steel, resin, and ceramics without clamping. By adjusting the load control on both sides, it grinds the material to achieve a flat surface, addressing issues of flatness (warping and waviness). Regardless of where the individual workpiece thickness is measured, it will finish to the same thickness. Additionally, we offer several fixed-size measuring devices that correspond to thickness tolerance. 【Features】 ■ Reliable parallelism and flatness ■ Stable dimensional accuracy ■ Strong performance with non-ferrous metals ■ Amazing processing speed ■ Choice of reference plates *For more details, please refer to the PDF document or feel free to contact us.
Grinding stroke adjustment compatible with hob width! Grinding of bob cutters up to a maximum length of 80mm is possible.
The "SKA II" is a high-precision automatic hob sharpening machine developed with a focus on compactness and cost-effectiveness. It pursues energy efficiency (total power consumption of 2.5 kVA) and a space-saving design. The operation is simple, requiring only the selection of minimal grinding conditions via the control panel. It has undergone a model change to three-axis NC control, including the feed axis (X-axis), spindle vertical axis (Z-axis), and indexing axis (C-axis). It is capable of grinding bob cutters with a maximum length of 80 mm. 【Features】 ■ Developed with a focus on compactness and cost-effectiveness, offering high precision ■ Pursues energy efficiency (total power consumption of 2.5 kVA) and a space-saving design ■ Simple operation by selecting minimal grinding conditions via the control panel ■ Model change to three-axis NC control for the feed axis (X-axis), spindle vertical axis (Z-axis), and indexing axis (C-axis) ■ Capable of grinding bob cutters with a maximum length of 80 mm *For more details, please refer to the PDF document or feel free to contact us.
A grinding machine optimal for high-efficiency processing of inner and outer diameters.
The CNC universal type features a grinding wheel head that swivels to accommodate various processing of inner and outer diameters.
Numerous adoption results both domestically and internationally! It can be implemented at an average cost that is 20% lower compared to Japanese products!
The table's left-right movement axis (Z-axis) and the sand and gravel platform movement (X-axis) are controlled by CNC using two axes. The X-axis uses closed-loop control and is equipped with a linear scale with a resolution of 0.05 μm, ensuring positioning accuracy and repeatability.
For grinding difficult parts and various profile shapes! CNC composite grinding machine.
The "Carbide Die Series" is a composite grinding machine that has received high praise for its ability to grind difficult parts such as outer and inner radii, internal tapers, and internal grooves, as well as various profile shapes. The spindle of the work head achieves robust and quiet rotation by adopting high-precision roller bearings. The main bed is made of heat-treated Meehanite cast iron, which excels in structural uniformity and vibration damping, providing long-term stable use without distortion. 【Lineup】 ■ICG-S200 ■ICG-SL200 ■ICG-SL210 ■ICG-SL410 *For more details, please refer to the PDF materials or feel free to contact us.
Manual and automatic types are available! They can be used for grinding optical core materials, among other applications.
The JAGURA brand CNC composite grinding machines can flexibly respond to various workpieces of our users, thanks to our proud experience and technical expertise. In particular, when it comes to the production of molds made from hard materials such as tungsten carbide, these machines greatly contribute not only to composite grinding of inner diameter, outer diameter, and end faces, but also to the grinding of challenging areas such as outer corner radii, inner corner radii, internal tapers, and internal grooves, as well as various profile shapes. 【Product Lineup】 ■ NC Fine Internal Grinding Machine "JAG-04SP (Manual)" ■ NC Fine Internal Grinding Machine "JAG-03AAL (Automatic)" ■ Centerless Grinding Machine (Variable Speed) "JAG-12C-SP" ■ Centerless Grinding Machine (Variable Speed) "JAG-18C-SP" ■ Simple CNC Centerless Grinding Machine "JAG-18C-CNC3" *For more details, please refer to the PDF document or feel free to contact us.
