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Working principle of slow wire processing

 Slow wire walking, also called low-speed wire walking, is a kind of CNC machining machine tool that uses continuously moving fine metal wire as an electrode to pulse spark discharge on the workpiece to generate a high temperature of over 6000 degrees, ablate metal and cut into a workpiece. The principle of wire processing is the phenomenon that there is a gap between the wire electrode and the workpiece, and the metal is removed by continuous discharge. Since the slow-moving wire cutting machine adopts the method of wire electrode continuous feeding, that is, the wire electrode is processed during the movement, so even if the wire electrode is worn out, it can be continuously supplemented, so it can improve the machining accuracy of the parts and slow the wire. The surface roughness of the workpiece processed by the cutting machine can usually reach Ra=0.8μm and above, and the roundness error, linear error and dimensional error of the slow-moving wire cutting machine are much better t

How Do Cnc Swiss Machines Work

How Do Cnc Swiss Machines Work Save 0 What Is Swiss Machine –The full name of the walking CNC lathe, it can also be called the spindle box mobile CNC automatic lathe, the economical turning and milling compound machine tool or the slitting lathe. It belongs to precision machining equipment, which can complete compound  machining such as turning, milling, drilling, boring, tapping, and engraving at one time. It is mainly used for batch  machining of precision hardware and special-shaped shafts. This machine tool first originated in Germany and Switzerland. In the early stage, it was mainly used for precision machining of military equipment. With the continuous development and expansion of industrialization, due to the urgent needs of the market, it was gradually applied to the  machining of civilian products; the development of similar machine tools in Japan and South Korea Earlier than China, it was mainly used in the military industry in the early days. After the war, it was gradually

Spring Design Attention And Roll Forming Method

Spring Design Attention And Roll Forming Method The coiling characteristics and methods of springs are divided into cold coiling method and hot coiling method. Cold winding method: When the diameter of the spring wire is less than 8mm, the cold winding method is adopted. High-quality carbon spring steel wire is usually first cold drawn and then heat treated. After winding, it is generally not quenched, but only tempered at low temperature to eliminate the internal stress during winding. Hot-rolling method: Springs with larger diameter (>8mm) spring wire should use hot-rolling method. Hot rolled springs must be quenched and tempered at medium temperature. The Design Process Of Various Springs ·          Installation space: When designing a  compression spring , it is necessary to have a clear understanding of the space required for the installation of the spring, in order to effectively grasp the basic manufacturing conditions of the compression spring, including the outer diam

Weakening the function of auto parts warehouse to raise the risk tolerance

If the order cycle is one month, the moving cylinder, brake drum, brake shoe, etc. generally account for the annual sales volume of the parts when the inventory is lower than the target inventory of the parts. When the target body of the accessory, crankshaft, clutch pressure plate assembly, transmission housing, and inventory are the annual sales of one piece, the target inventory of the axle housing, generator assembly, starter assembly, etc. is one piece. When the annual sales volume is about one accident vehicle, which generally accounts for the total inventory, the target inventory of this accessory is one.

Take one for rational use parts such as front and rear bumpers, headlamp assemblies, and accessories whose annual sales are higher than the number of pieces. The radiator assembly, windshield glass, fenders, and door components, if the supply time is longer, account for the order cycle, etc., generally account for about the total inventory. If above, the alert inventory will inevitably increase.

When the annual sales volume is calculated, the inventory of wearing parts, maintenance parts, and warnings exceeds the target inventory, “Repairing common parts can account for about the total sales volume, and the formulation of the order plan will largely depend on its inventory. However, the total amount of inventory is not visible. As for the forecast of the sales of accessories, once the market changes the turnover of these three types of accessories is faster and the other two types of distribution forecasts are inaccurate, it will cause a large backlog of accessories.

Due to the slower turnover of pieces. Therefore, in order to increase funds, from the perspective of improving the accuracy of ordering, and to reduce capital occupation, it is necessary to ensure sufficient supply of the first three types of allocation inventory, which is generally based on the target inventory.

At the same time, the ordering cycle of the latter two types of accessories is generally double the delivery time. This should be taken seriously. The timely adjustment of inventory must ensure that the samples can be ordered according to the actual sales and supply during the ordering plan, and reduce the inventory backlog to avoid occurrence. The target inventory is adjusted to avoid inventory effectively.

causes a backlog of accessories. Reasonable determination of the ordering cycle and the number of orders will help reduce the equivalence factor of parts inventory according to the local geographical environment characteristics and repair technology. To reduce the target inventory of some parts, it is necessary to reduce the target of each corresponding adjustment type of parts. inventory.

The target inventory of accessories should be adjusted according to the geographical environment characteristics of each place. A quantity refers to the target inventory of some accessories from the perspective of meeting the needs of users for accessories. If you start from a certain location, within a certain period of ordering cycle, if you build mountainous areas or hills, the inventory of brake system accessories should be at the highest inventory of a certain accessory.

The order cycle refers to an increase on a regular basis. If it is located in a mining area, there is no time interval between two normal ordering of accessories.

Influencing air filters, pistons, piston rings and other engine parts library affect the target inventory because the stock should be appropriately increased. If the road conditions in this area are poor, it is known to formulate spare parts such as tires, shock absorbers, suspensions and other accessories should be fully stocked .

The business of purchasing planners should also reasonably adjust the level of spare parts demand inventory according to seasonal changes. Seasonal changes, the operating environment of the vehicle, and the accuracy of its predictions. Certain use performance also changes accordingly. The degree of satisfaction of user needs. The content of vehicle maintenance operations should be adjusted accordingly. The probability and order cycle of this all require the supply of accessories. Adjust accordingly.

When the summer comes, the average target inventory of cooling system, air conditioning and refrigeration system accessories should be increased accordingly. When the severe winter comes, the sales volume also affects the target inventory of antifreeze and heating system accessories.

The automotive parts and parts machining, PTJ Shop offers the highest degree of OEM service with a basis of 10+ years experience serving the automotive industry. Our automotive precision shop and experts deliver confidence. We have perfected the art of producing large component volumes with complete JIT reliability, backed by the quality and long-term reliability our customers expect.

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