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You Ji DSM630-1600 Duplex Milling
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You Ji DSM480 CNC Duplex Milling machine.
You Ji’s DSM heavy duty duplex or double-sided milling machine series was designed specifically for production squaring and chamfering of square and rectangular blocks. The machines are engineered to perform heavy duty machining with high accuracy and high throughput.
Longitudinal X-axis travels for the five-machine series range from 600 mm) to 1849 mm and Y and Z axes’ cross-travel extends from 373 mm to 900 mm.
Rotary table sizes start at 520 mm square and the largest versions are 1000 mm square.
The machines combine a rigid rotary table with dual milling heads. Each milling head moves independently in the Z-axis on rigid box ways. The rotary table moves in the X-axis on roller type linear ways, indexes every 45°, and clamps via a Hirth coupling to maximise rigidity.
The milling heads feature high-horsepower, large-diameter spindles that produce high torque at low rpm to run large diameter cutters. Each spindle is powered by a 20 hp or 30 hp motor (depending on model) with a variable speed range. Spindle tapers are 50 or 60 taper equivalent.
The machines operate semi-automatically. After the work-piece is shuttled into the machine manually, the part is automatically centred and clamped to the rotary table via hydraulic cylinders that apply pressure to the work-piece in 3 steps, from light pressure while centring the part to high-pressure maximum clamping force. Quick change, modular upper and lower fixtures hold the work-piece in place. The machine comes with 10 sets of clamping fixtures in a variety of sizes and shapes tailored to the user’s work.
A work-piece probe verifies the raw material size and can also provide rapid first part inspection.
