COMPUTER INTEGRATED MANUFACTURING

1. Methods of Improving Machine
Accuracy And Productivity

2. Methods of Improving Machine
Accuracy
• Tool Deflection and Chatters
• Lead screw
• Thermal Deformation

3. Methods of Improving Machine
Productivity
1. Actual Cutting Time
2. Idle or Traverse Time
3. Unloading And Loading Time
4. Tool changing Time

4. SPECIAL TOOL HOLDER

6. TOOL HOLDER

7. How Tool Holders Work
• Tool holders have three main parts:
The taper, The flange, and The collect pocket.
1. The taper is the conically-shaped area of the tool
holder that enters the spindle during tool changing.
2. The flange is the part of the tool holder to which the
automatic tool changer is attached when the tool
holder is moved from the tool changer to the spindle.
3. The collect pocket is the area into which the collect is
inserted before being secured by various types of
collect nuts.

8. Tool Holder Types
• Machine arbors are motor-driven shafts that turn machine tools.
• Blank adapters can be customized for specific applications or machining
tasks.
• Boring heads can hold a variety of cutting tools, but are used mainly with
boring bars.
• Collect chucks use collets of various sizes to hold machine tools.
• End mill holders are designed to holdend mills during milling operations.
• Milling or drilling chucks are used to hold various cutting tools during
milling or drilling applications.
• Outer diameter (OD)and inner diameter (ID) tool holders can hold a variety
of cutting tools.
• Shell or face mill adaptors are designed to hold shell or face mills, tools
used to cut surfaces.
• Side cutter holders are designed to hold side cutter tools. S
• Saw blade holders are designed to hold saw blades.
• Tapping chucks are designed to hold tapping tools for threading operations.

9. •For optimum performance on today’s high speed machining centres, balanced tool holders
are recommended.
•All Tool Holders are 16,000 R.P.M., with better accuracy on the taper fit and finish.
• All Tool Holders have fully flanges and V-grooves to ensure smooth, accurate handling in
automatic tool changers and reduced vibration at high R.P.M.
•Tool holder accuracy provides the best spindle to cutting tool union in the industry and will
provide these benefits:
Extended tool life =More time in the cut, less downtime for tool replacement.
Increased feed rates at higher R.P.M. =Less vibration and better concentricity allow the cutting
tool to perform as designed.
Increased work piece accuracy =Lower costs for machine adjustments and inspection.
Improved work piece surface finish =Less secondary finishing.
Finished products with better dimensional accuracy at a lower cost...
WHY SPECIAL Tool Holder

10. SPECIAL Tool Holder
• Metric Tool Holders
• Coolant Through Tool Holders
• V-Flange Tool Holders
• Radial Overhead Tool Holders (OR) Axial Tool
Holders

11. Metric Tool Holders

12. Coolant Through Tool Holders

13. V-Flange Tool Holders

14. Radial Overhead Tool Holders