What is the precision axis? what's the effect?
What is the precision axis? what's the effect?
Dongguan Feilong Hardware Machinery " target=_blank> Hardware Machinery Products Factory is born for precision shaft core!
Dongguan Feilong Hardware Machinery " target=_blank> Hardware Machinery Products Factory is mainly engaged in the production of precision shaft cores. The precision shaft core is one of the ways of surface treatment of fasteners. 2The plating of 2 precision shaft cores is treated by physical sintering. Coating treatment, 2 plated 2 baked precision shaft core is ordinary precision shaft core, the thickness of coating is general, suitable for indoor use, the precision shaft core test time is 400 hours, no red rust. The precision shaft core has 2 plating times according to the number of times of baking coating. 2 baking and 3 plating 3 baking two, 3 plating 3 baking up to Crowe screw coating is relatively thick, generally not easy to expose the bottom, anti-corrosion performance is relatively better, but more than one drying coating also brings the corresponding cost, 3 plating 3 The baked precision shaft core salt spray test time can reach 720 hours without red rust, suitable for outdoor wind power industry.
The precision shaft core is based on 3 plating and 3 baking, adding a layer of environmental protection layer on the surface of the product to strengthen the thickness and hardness of the coating, making it a precision shaft core and environmental protection effect. The precision shaft core has high cost, and the salt spray test does not have red rust for 1200 hours. It is suitable for all kinds of wet strong acid and alkali. The precision shaft core hex screw refers to the hex screw with precision shaft core coating. It has 4.8 grade Dacromet hex screw, 8.8 precision shaft hex screw, 10.9 grade, 12.9 precision shaft core according to the strength grade. Hexagon socket screws, etc.
For the specific use of the screw, different coatings of Dacromet hex screws are required according to the current environment. The precision shaft core hex socket screw is generally 8.8 grade hexagon socket screw or 12.9 grade hexagon socket screw surface coated with precision shaft core to obtain high corrosion resistance, precision shaft core coating anti-corrosion performance and thin coating, precision shaft core hex After the screw is applied, the fit of the inner hexagon and the corresponding wrench is not affected, and the high-strength bolt is also less prone to hydrogen embrittlement.
Precision shaft product details: an object or a three-dimensional figure that rotates around or can imagine a straight line of rotation
Classification of precision axes:
According to load bearing points: shaft, mandrel, drive shaft
a: Shaft: A shaft that is subjected to both bending moment and torque during operation.
b: Mandrel: A shaft (fixed mandrel, rotating mandrel) that is subjected to a bending moment without transmitting torque during operation.
c: Drive shaft: A shaft that transmits torque only during operation without receiving bending moments or small bending moments.
According to the shape of the axis: straight shaft, crankshaft, wire flexible shaft
a: Straight axis: The axis is a straight line.
b: Crankshaft: The axis of the shaft is a curve.
c: Wire soft shaft: The curve of the shaft core is soft and variable.
The precision axis is divided according to the shape of the shaft: optical axis, stepped axis, real axis, hollow axis
a: Optical axis: an axis with the same outer diameter.
b: stepped shaft: shafts with different outer diameters and shoulders.
c: Solid shaft: The shaft has material.
d: hollow shaft: the shaft has no material.
Dongguan Feilong Hardware Machinery "target=_blank> Hardware Machinery Products Factory precision shaft core processing allows you to "save" heart! Welcome to inquire!
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Http://news.chinawj.com.cn Editor: (Hardware Business Network Information Center) http://news.chinawj.com.cn
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