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Granite measuring tools have become the core equipment in the field of precision measurement due to the advantages of natural materials. Common types include granite flat plate, parallel rulers, square rulers, cubes, V-shaped blocks, etc., adapting to the needs of different measurement scenarios. Its core advantages are significant: natural granite has uniform texture, high hardness, small linear expansion coefficient, no internal stress, and can maintain accuracy for a long time; it is non-magnetic, avoiding the interference of magnetic fields on measurement accuracy, and is acid-alkali and corrosion resistant, and has a long service life. It is widely used in mechanical processing, precision manufacturing, metrological testing and other industries. It can be used as a key tool for workpiece detection benchmark, marking positioning, equipment installation and debugging, and provides reliable guarantee for high-precision production operations.
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1. Product material: Mineral casting base with Hydrostatic guideway 2.Product size: 2600 * 1500 * 700 mm 3. Product advantages: The bearing surface of the hydrostatic guideway is directly integrated by the mineral casting bed, and the hydrostatic module is directly combined with the mineral casting bed to replace the traditional wire gauge, and the straightness can be controlled at 0.5 μ/m, which further improves the accuracy and stability of the product.




The thermal expansion tool handle produced by Qianmu has a runout accuracy of less than 0.003 mm and a dynamic balance performance index of more than G2.5 15000 rpm. Its streamlined appearance can perfectly avoid the interference of fixtures. Compared with the traditional ER toolholder clamping mode, the thermal expansion toolholder can at least improve the service life of the cutter by more than 30% and the repeated clamping times of more than 3000 times, and can clamp different types of cutters such as alloy milling cutters, drill bits, reamers and the like. Handle materials also take into account the two common categories of stainless steel and die steel on the market, providing customers with different choices. Finally, it plays a very positive role in improving the quality of processed products, improving the stability of the process and reducing the processing cost.

The hydraulic tool holder produced by Qianmu has a runout accuracy within 0.003 mm, and the hydraulic oil has damping structural characteristics, which can suppress cutting vibration. The cutter with different diameters can be clamped by replacing the hydraulic clamp spring, and the universality is good. In the process of operation, only one wrench is needed to operate to realize the rapid replacement of the cutter, and the operation is simple and reliable.

Complete range: including shallow hole drill, HBA double-edged rough boring cutter, small aperture fine adjustment boring cutter, HBM fine adjustment boring cutter, HBH large diameter rough/fine boring cutter and other products. The standard products cover the hole processing range of φ3mm to φ1060mm, and are equipped with KB (CK) and TMG21 (ABS) interfaces.
