YJ-CK250ST雙頭雙刀塔數(shù)控車床特點：

特點:

（1）、雙面復合加工技術設計

利用兩組刀塔，一次性裝夾、完成零件兩端的多工位加工方法，將原先需要在若干個工步中去除的加工余量集中在一個復合的工步中，使多個工步的加工時間全部重合，且一次裝夾完成兩端的加工，避免多次裝夾而產(chǎn)生的誤差，保證加工精度，減少加工輔助時間，效率提升2-4倍。

（2）、兩端雙卡盤專用主軸箱設計

采用主軸箱雙卡盤中間兩端對稱夾裝方式，改變傳統(tǒng)軸類零件單向不對稱夾裝在切屑過程中受迫振動，導致零件表面質量、尺寸及位置精度到不到要求問題。同時主軸箱兩端卡盤之間設有讓位槽，能對軸類中部具有異性結構的零件進行夾裝，擴大了機床加工的通用性。

（3）可延雙向主軸設計

采用一種可延長的雙向主軸，設計有殼套組件、兩個可拆卸的固定于殼套組件兩端的延長套以及嵌設于延長套用于夾持工件的卡套，殼套組件上設置有驅使其中一個延長套沿軸向移動的控制結構；通過控制結構實現(xiàn)卡套軸向延伸的目的，具有可在僅僅更換部分零件的狀況下完成雙向主軸的可夾持的規(guī)格的變化，大大減少主軸的更換成本和維修成本，并有效的提高了主軸的適用范圍的優(yōu)點。

（4）、智能化控制系統(tǒng)設計

本項目設計一套共用主軸箱傳動控制系統(tǒng)和2套左右對稱的結構刀塔傳動運行控制系統(tǒng)，通過用PLC控制設計，取代部分繼電器，對電路進行改造設計，實現(xiàn)對機床的智能化控制，提高接觸穩(wěn)定性，同時減少布線，提高生產(chǎn)效率。

characteristics:

(1) and double side compound machining technology design

Using two sets of knife towers, the processing method of multi position machining at both ends of the parts is installed at one time. The processing allowance which is originally needed to be removed in several steps is concentrated in a compound work step, so that the processing time of the multiple steps is all recombined, and the addition of the two ends is completed at one time to avoid the error caused by multiple clamping. It can ensure machining accuracy, reduce processing auxiliary time and increase efficiency by 2-4 times.

(2) design of special spindle box for two ends double card disk

The symmetrical clamping method of the two ends of the spindle box is used to change the forced vibration of the unsymmetric clamping of the traditional axis parts in the chip process, which leads to the problem of the surface quality, size and position accuracy. At the same time, the chuck between the two ends of the spindle box is equipped with a slot to clamp the parts with different structures in the middle part of the shaft, thus enlarging the versatility of the machine tool processing.

(3) design of deferred bi-directional spindle

An extended bi-directional spindle is used to design a shell sleeve component, two detachable extended sleeves fixed at both ends of the shell assembly and a clamping sleeve embedded in the lengthening sleeve for holding the workpiece. A control structure is arranged on the sleeve component to drive one of the extended sleeves along the axis, and the axial extension of the sleeve is realized through the control structure. The purpose of extension is that the change of the clamped specification of the bi-directional spindle can be completed in the condition of only replacing part of the parts, which greatly reduces the replacement cost and maintenance cost of the spindle, and effectively improves the advantages of the application range of the spindle.

(4) design of intelligent control system

This project is designed to share the main shaft box transmission control system and 2 sets of symmetrical structure tool tower transmission control system. By using PLC control design to replace partial relay and redesign the circuit, realize the intelligent control of the machine tool, improve the contact stability, reduce the wiring and improve the production efficiency.

YJ-CK250ST雙頭雙刀塔數(shù)控車床性能：

軸類零件需要加工兩端的端面時，通常是先加工零件的一頭然后調(diào)頭加工另一頭,這樣做法是經(jīng)過了兩次裝夾加工,同軸度精度得不到很好的控制,同時對工人操作技術要求高。

本項目改變傳統(tǒng)機床加工單頭加工方式，采用一次裝夾、兩端同時加工的方式，研制一種加工精度高、效率高、廢品率低、減輕工人操作強度的單主軸雙面雙刀塔數(shù)控機床。

product performance:

When the shaft parts need to be machined at both ends, it is usually first to process one part of the part and then to process the other head. This way is two times of clamping, and the precision of the coaxiality is not well controlled. At the same time, the technical requirements of the workers are high.

This project changes the traditional machine tool processing single head processing mode, using the one clamping and both ends processing at the same time, to develop a single spindle double-sided double knife tower CNC machine tool with high processing precision, high efficiency, low scrap rate and reduce the operation strength of the workers.

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