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  • Different countries machine tool accuracy requirements are also different

    01 Distinction between precision and precision Precision refers to the accuracy of the measurement results, and precision refers to the repeatability and reproducibility of the measurement results. Precision is a prerequisite for accuracy. The figure below is a good illustration. Accuracy The deg...
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  • Machining quotation,look at these.

    01 Processing equipment 1. Ordinary lathe: lathe is mainly used for processing shafts, plates, sets and other workpiece with rotary surface, is the most widely used in mechanical manufacturing of a class of machine tool processing.  (Can achieve accuracy of 0.01mm) 2 ordinary milling machine: it ...
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  • Can you operate the CNC machine

    01 Preparing for Startup The machine tool in each boot or the machine tool according to the emergency stop reset, first back to the machine tool reference zero (that is, back to zero), so that the machine tool for its subsequent operation has a reference position.   02 Clamping workpiece Cle...
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  • How do programmers become programmers

    1. Clear the responsibilities of the programmer, responsible for the control of processing quality, processing efficiency, cost control and error rate in the process of mold CNC manufacturing. 2. When the programmer receives the new mold, he must understand the requirements of the mold, the ratio...
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  • CNC Programming secrets

    1. The speed of the white steel knife can not be too fast. 2. Copper workers should use less white steel knives and more flying knives or alloy knives. 3. When the workpiece is too high, it should be cut thick with different lengths of knife. 4. After roughing with a large knife, use a small knif...
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  • What is CNC meaning?

    1. How to divide CNC processing procedures? The division of CNC processing procedures can generally be carried out according to the following methods: 1) Tool concentration sequencing method is to divide the process according to the used tool, with the same tool CNC machining parts on all can be ...
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  • Analysis of shape error generated by surface machining

    Due to improper adjustment, it is easy to produce convex shoulder and shovel back when machining the sphere, especially the quadric ball and surface.The main reasons are as follows: 1. System clearance is caused In the transmission pair of equipment, there is a certain gap between the lead screw ...
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  • Dry milling and wet milling options

    Milling is essentially a discontinuous process.This causes the temperature at the cutting edge to fluctuate constantly between high temperature (about 1000 ℃) and low temperature. 1. The influence of cutting fluid As the cutting edge cuts in and out, temperature changes are exacerbated.As a resul...
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  • Cast iron cutting Endmill selection

    1 Types and processing characteristics of cast iron Cast iron by its classification can be divided into;Grey cast iron, white cast iron, malleable cast iron, ductile cast iron, vermicular cast iron, alloy cast iron and so on.Gray cast iron is widely used in the automotive industry, and the automo...
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  • Reaming processing six problems and solutions

    The aperture increases, the error is large The outer diameter of the reamer is too large or the edge of the reamer is burr;Cutting speed is too high;Improper feed or excessive processing allowance;Reamer main deflection Angle is too large;Reamer bending;The cutting edge of the reamer adhered to t...
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  • CNC machining tool over cutting

    In the processing, often in the corner of the spring knife and lead to the phenomenon of cutting, if the use of reasonable tools and processing methods, can reduce the opportunity of the spring knife. The relation of tool deformation is:   From the above formula, we can know that there are t...
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  • Professional HSS thread taps

    Over the years, we have used and/or tested dozens of drill bits for almost all applications. In this review, we want to determine the most suitable drill for metal applications. This includes hardened steel, stainless steel, aluminum, etc. We even want to see what kind of drill bit can drill the ...
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