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TECHNICAL INFORMATION 251
251-252
1. MATERIALS USED FOR TOOLS PRODUCING
2. THREAD TYPE 253
3. TAPS 253
254
3.1. Taps construction elements 254-255
3.2. Dimension standards 256
3.3. Kinds of chamfers and flutes 257-258
3.4. Taps classes and inner thread’s tolerance zone 259-260
3.5. High performance machine taps HSSE 261
3.6. Troubleshooting guide for tapping 262
3.7. Marking and stamping of high performance machine taps 263
3.8. Tap connecting dimensions according to ISO and DIN 263
4. DIES 263
4.1. Die construction elements 264
4.2. Dimension standards 264
4.3. Tolerances of thread being cutted 264
4.4. Variants of execution and their usage 265
4.5. Technological recommendations for machine dies 265
4.6. Marking and stamping of dies 265
5. GAUGES FOR TAPER THREAD 266
5.1. Gauges NPT 266
5.2. Gauges R, Rc/Rp 266
267-268
5.2.1. Standards 269
5.2.2. Design of gauges 269
5.2.3. Use of gauges and checking of threads 269
6. TOOLHOLDER 270
6.1. Quick-change adapters with safety clutch for taps 271-274
6.2. ER collets mounting 275-278
6.3. Toolholders balance
6.3. Toolholders balance 279
7. INFORMATION TABLES
8. FORM OF TOOL SELECTION
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