1. Name the main parts of the double housing planer.
Base, Column, Tool head, Table, cross rail.
2. What is quick return mechanism?
It is a mechanism which is used to produce machine table in faster during the return stroke.
3. What are the types of quick return mechanism of a planer?
Belt drive, Electric drive and Hydraulic drive.
4. Mention work holding devices in a planer. (or) Describe about work holding devices in a shaper.
T Bolt, Machine vice, Angle Plate, Strap clamp, V Block, Fixture.
5. Describe any one fixture in planer. (or) Draw any one fixture in shaper.
6. Give the advantages of the hydraulic drive of a shaper.
Simple construction, Less friction, More power
7. Name the various operations performed in shaper.
Machining Flat, Vertical and Angular surfaces.
8. Compare shaper and planer.
Shaper
- Tool reciprocates and work piece is stationary.
- Less accuracy
- Heavy cut cannot given
Planer
- Work piece reciprocates and tool is stationary.
- More accuracy
- Heavy cut can be given
- Suitable for low and medium work piece.
- Suitable for large work piece
- Low cost High cost
9. Describe any one operation in slotter.
- Cutting Key way is one of the machining process in slotter.
- Work piece is held in the rotary table.
- Tool is held in the ram.
- Rotary table is adjusted as required.
- By using reciprocating movement of the ram, internal as well as external keyway can be cut.
10. Mention the specification of the slotter machine.
Type of drive, Net weight, Max. Stroke length, Floor Area.
11. What are the types of broaches?
Push Broach, Pull Broach, Internal Broach and External Broach.
12. What are the types of broaching machines?
- Horizontal, Vertical broaching machines
- Internal and External broaching machines.
- Pull and Push Broaching machine.
13. What is land in broaching tool?
Top portion of the teeth.
14. Mention the different types of broaching operations.
Hole broaching, Key way Broaching and Hole Broaching.
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