Precision Machining Threaded Tungsten Carbide Grinding Wheel Shaft
It is a cutter holder base body specially used for assembling grinding wheel tooling in machine tool grinder equipment.
As a superhard metal, cemented carbide tungsten steel material has good physical stability, high hardness, good strength, wear resistance, high temperature resistance, vibration resistance, corrosion resistance, and good steel properties. Suitable for use as spindle grinding rod for precision machine tool grinders. The grinding wheel bar, grinding wheel grinding bar, grinding wheel cutter bar and other grinding wheel bar base used for assembly of grinding wheel tooling used in high-precision machine tool mechanical grinders must meet high-speed operating conditions and stable performance. It is better to choose a tungsten steel grinding wheel grinding rod precision machined from carbide material.
Our company customizes the production according to the drawings required for the use of grinding wheel rod tooling for mechanical grinders, and processes tungsten steel internal threads and tungsten steel external threads to meet the precision tolerance requirements of straightness, roundness, and runout. The dimensions of the carbide grinding wheel rod are: φ16*φ14*M9*φ8*M2.5*φ1.6*40.
The working condition of this carbide grinding wheel bar is the precision grinding of M2.5 internal threads and M9 external threads at a rotation speed of 100,000 rpm, meeting the position tolerance matching requirements of 0.002 for circular runout and 0.003 for concentricity and true roundness.
| 1 | Grain size (um): | 1.0 ~ 2.0 |
| 2 | Cobalt content (Co%): | 8.0 ~ 10 |
| 3 | Density (g / cm³): | 14.41- ~ 14.95 |
| 4 | Hardness (HRA): | 89.5 ~ 93 |
| 5 | Bending strength (Mpa): | 3200 ~ 4500 |
| 6 | Young's modulus (Gpa): | 570 ~ 620 |
| 7 | Compressive strength (Mpa): | 4700 |
Our company is specializing in producing and manufacturing hard alloy insert pins for precision mold customers. It is used with electronic ceramic injection molds. The precision requirements are very high, and the perfect consistency of products is the primary standard of this set of products. The tungsten carbide punching pin equipped in electronic ceramic precision mold is used in large number, and each insert pin is required to maintain good consistency. This requires that the finishing process must strictly control each processing procedure. Our company can produce the hard alloy insert pins according to the requirements of the precision mold manufacturer. The consistency of the products can be guaranteed, and the tolerance requirements are +0.002. The finish of the punch needles is required to be 0.2, which meets the highest requirements of applications in electronic ceramic injection molds.
Processing of Tungsten Carbide
The processing technology for tungsten carbide products varies depending on the type and intended use of the product. Here is a general processing workflow for tungsten carbide products:
- Raw Material Preparation: Select high-purity tungsten powder and carbon powder as raw materials.
- Material Mixing: Blend tungsten and carbon powders in specific proportions to ensure a uniform mixture.
- Pressing and Shaping: Place the mixture into molds and subject it to high pressure to achieve the desired shape.
- Initial Sintering: Place the pressed blank in a high-temperature furnace for initial sintering, forming a preliminary structure.
- Powder Metallurgy Sintering: Subject the preliminarily sintered blank to powder metallurgy sintering, allowing carbon to react fully with tungsten to produce tungsten carbide.
- Heat Treatment: Conduct heat treatment on the sintered product to adjust its crystal structure and properties, enhancing hardness and wear resistance.
- Mechanical Processing: Employ machining processes such as cutting, milling, and grinding on the heat-treated blank to achieve the final product shape.
- Surface Treatment: Optionally perform surface treatments, such as coating or polishing, to enhance surface properties as needed.
- Quality Inspection: Conduct quality checks on the finished tungsten carbide products to ensure they meet specified technical standards and customer requirements.
- Packaging and Delivery: After passing quality inspection, package the products and deliver them to customers.
It's important to note that different types of tungsten carbide products may have variations in this basic process, and specific processing techniques can also be influenced by product design requirements and intended applications.
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