2, the impact of the grinding wheel on the accuracy of the tool
All parameters of the tool are determined by the relative movement of the grinding wheel and the tool. Therefore, the diameter of the grinding wheel, the angle at which the grinding wheel directly participates in the cutting, the length of the flange of the grinding wheel shaft, the wear of the grinding wheel and the particle size of the grinding wheel all affect the accuracy of the tool.
Accuracy of grinding wheel diameter measurement Inaccurate measurement of grinding wheel diameter may result in: the outer diameter of the tool does not match the requirements; the width of the blade edge does not match the requirements; the shape and depth of the sipe do not match the requirements; the step of the step drill cannot be cleared. Or clear the roots too deep.
Grinding wheel angle measurement or input accuracy The grinding wheel angle measurement or input may be inaccurate: the blade edge width does not match the requirements; the step tool step surface angle does not match the requirements; the tool back angle position or angle has errors; the chip flutes There is an error in the groove angle.
The accuracy of the grinding wheel flange distance measurement If the grinding wheel flange distance measurement is not accurate, the grinding wheel will actually change the grinding point of the grinding wheel, and the above problems will also occur.
The wear level of the grinding wheel will have a certain amount of wear after a period of use. When grinding with a worn grinding wheel, the actual grinding point of the grinding wheel has changed, which will directly affect the geometrical accuracy of the tool, the width of the cutting edge, the shape and depth of the sipe, the step angle of the step surface, and the step Part of the rooting situation and the position of the flank of the tool do not meet the requirements.
The particle size of the grinding wheel affects the accuracy of the tool. The particle size of the grinding wheel has a direct influence on the surface roughness of the tool. Since the same type of grinding wheel is used for the processing of the slender rod-shaped tool, and the same grinding wheel is used for the coarse and fine grinding, the grinding wheel with a large size and a hard surface is selected, which is beneficial to improve the surface roughness of the cutter.
3. Influence of cooling system on tool accuracy
The cooling effect of the coolant on the grinding zone directly affects the accuracy of the tool. Choosing a good performance coolant and proper cooling pressure will help the coolant to enter the grinding zone, taking the cutting heat and chips away in time, effectively reducing the surface roughness of the tool.
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Brass fasteners are used for their physical and aesthetic properties. Brass is utilized due to its high thermal conductivity and corrosion resistant properties, it is suitable for use in hot and cold environments, and resistant to water corrosion, making it a staple of industries such as heating and plumbing. Brass fasteners are largely non-magnetic (like any fastener, slight magnetic properties can develop during the manufacturing process) and resistant to tarnishing.
Brass fasteners are suited for some marine environments, including brackish water and slow current sea water; brass in this environment develops a protective green coating. Brass fasteners are also commonly used with wood applications, as the golden coloring blends well with the tan wood. Brass is a softer metal and must be used with care, always drilling pilot holes and using driver bits that fit the head of the screw precisely to prevent stripping. Brass Bolts also require a pilot hole be driven before installtion.
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