Shaped Wrench Lost Wax Investment Castings
Hand tools for turning bolts, screws, nuts, and other open or socketed fasteners whose threads hold bolts or nuts tightly by the principle of leverage. The wrench is usually formed with a clamping handle at one or both ends of the handle to apply an external force to the handle to twist the bolt or nut to hold the opening or sleeve of the bolt or nut. When in use, an external force is applied to the shank in the direction of thread rotation, so that the bolt or nut can be twisted.
Product Introduction
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Shaped Wrench Lost Wax Investment Castings |
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Item |
Material |
Production Process |
Sintering Temperature |
Mold |
Custom |
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Shaped Wrench Lost Wax Investment Castings |
Customized according to customer requirements |
Investment Casting |
1680℃ |
To be customized |
Yes |
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Available Materials |
Carbon steel, alloy steel, aluminum alloy, low carbon stainless steel, titanium alloy (Ti, TC4), copper alloy, high temperature alloy (718, 713) |
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Smoothness |
Dimensional accuracy |
Product density |
Appearance treatment |
Appropriate weight |
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Roughness 1～5μm |
(±0.1%～±0.5%) |
7.8g/CM³ |
According to customer requirements |
3g～4kg) |
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How to choose a wrench？
Hand tools for turning bolts, screws, nuts, and other open or socketed fasteners whose threads hold bolts or nuts tightly by the principle of leverage. The wrench is usually formed with a clamping handle at one or both ends of the handle to apply an external force to the handle to twist the bolt or nut to hold the opening or sleeve of the bolt or nut. When in use, an external force is applied to the shank in the direction of thread rotation, so that the bolt or nut can be twisted.
Selection principle of the wrench
When buying, it is recommended to choose a ring wrench and a socket wrench first, which are called open-end wrenches, and finally choose an adjustable wrench. What material is good for the wrench: The material of the wrench is generally carbon steel and alloy steel, and the alloy steel is generally chrome vanadium steel; there are many grades of chrome vanadium steel. Generally speaking, the higher the grade, the better the quality. Carbon steel materials are generally used for low-end products and chrome vanadium steel is generally used for medium and high-end products. Shaped Wrench Lost Wax Investment Castings can be selected according to the actual situation.
Appearance style
There are many styles of dual-purpose wrenches, and the conventional ones are convex shank, concave shank, and flat shank. The production process of each is different, and the surface treatment is also very different. The protruding shanks are mostly made of carbon steel, and the concave shanks are mostly made of metallurgy steel.
1. Barrel wrench
It is composed of several sleeves with hexagonal or twelve-angular holes and is equipped with various accessories such as handles and extension rods. It is especially suitable for bolts or nuts with very narrow screw positions or deep depressions.
2. Allen wrench
L-shaped hexagon bar wrench, especially used for turning hexagon socket screws. The model of the inner hexagonal wrench is based on the size of the opposite side of the hexagon, and the size of the bolt has national standards.
3. Torque wrench
It can display the applied torque when turning the bolt or nut; or when the applied torque reaches the specified value, it will emit a light or sound signal. Torque wrenches are suitable for assembly work where the torque size is clearly specified.
Detection Systems
Copper Silica Sol Investment Casting
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