What are the main requirements to Spindle units?
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What are the main requirements to Spindle units?
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- Describe how a sub-spindle can be used to increase productivity.What is the working principle of shaper machine?A NC lathe cuts two passes across a cylindrical workpiece under automatic cycle. The operator loads and unloads the machine. The starting diameter of the work is 3.00 in and its length = 10 in. The work cycle consists of the following steps (with element times given in parentheses where applicable): 1 - Operator loads part into machine, starts cycle (1.00 min); 2 - NC lathe positions tool for first pass (0.10 min); 3 - NC lathe turns first pass (time depends on cutting speed); 4 - NC lathe repositions tool for second pass (0.4 min); 5 - NC lathe turns second pass (time depends on cutting speed); and 6 - Operator unloads part and places in tote pan (1.00 min). In addition, the cutting tool must be periodically changed. This tool change time takes 1.00 min. The feed rate = 0.007 in/rev and the depth of cut for each pass = 0.100 in. The cost of the operator and machine = $39/hr and the tool cost = $2.00/cutting edge. The applicable Taylor tool life equation has parameters: n = 0.26 and…
- Mention the difference between Shaper machine and planer machine?A long workpiece, with the length-to-dimeter ratio that exceeds factor 10, is to be machined. Which workholding should provide the lowest deflection? Collet in the spindle and a live center in the tailstock Chuck on the spindle, a live center in the tailstock, and a follower rest Mandrel Solid center with a dog and a dog plate on the spindle, a live center in the tailstock FaceplateWith a neat sketch explain shaper machine and its parts?
- How must the feed rate for tapping using a floating holder be programmed differently than that for rigid tapping?What command would be given to turn on the spindle in a clockwise direction at 1500 RPM?TOPIC: Internal Threading or Tapping What are the materials needed in cutting threads by the use of lathe machine? Also, state its function or purpose.