Cutting Tools Episode 2 Part 3 docx

... .26 2 × 4 RPM = = = 3 82 IPM 30 .5 RPM 3 82 apr = = = .080 in. apr .080 N 8 apt = = = .010 in. SFPM 38 0 .26 2 × d .26 2 × 6 RPM = = = 24 2 IPM=apt×N×RPM = .006×10 24 2=14.5 Chap. 12: Milling Cutters ... tooth cutter. The exact contour of the cutting edge of a form mill is reproduced on the surface of the workpiece (Fig. 12. 4f, Fig. 12. 4g, and Fig. 12. 4h). 12. 2 .2 End Mi...

Ngày tải lên: 21/07/2014, 15:20

... 65˚ 45˚ 1 8 1v 8 1 8 1 8 T R T 60˚ 60˚ 60˚ 45˚ 45˚ EDC JG R = T 2 R = T 8 R = T 8 R = 3T 10 65˚ 65˚ 80˚ 80˚ 60˚ 23 ˚ 23 ˚ 60˚ R R R R T B T T A F R H T I T S K L R FIGURE 16.10: Twelve standard ... carbide, and alumi- num oxide cutting tools. The synthetic diamond crystals shown in Figure 16.3a can be manufac- tured into polycrystalline tool blanks shown in Figure 16.3b and disc...

Ngày tải lên: 21/07/2014, 15:20

... remain parallel to the direction of broach travel. A couple of small broached parts are shown in Figure 14 .3 14 .2. 1 Broaching Tools A broach is like a single point tool with many ‘points’ each of which ... number of parts, all of the same diameter and keyway size, are to be machined, an internal keyway broach can be designed to fit into the hole to support the cutting teeth. Only the...

Ngày tải lên: 21/07/2014, 15:20

... — 190% 7075-T Aluminum — 120 % B11 12 Steel 160 BHN 100% 416 Stainless Steel 20 0 BHN 90% 1 120 Steel160 BHN 80% 1 020 Steel148 BHN Chap. 3: Machinability of Metals 4 Tooling & Production/Chapter 3 www.toolingandproduction.com rials ... discussed in Chapter 2; Figure 3. 3 shows ideal chips developed from a variety of common materials. Chap. 3: Machinability of Metals www.toolin...

Ngày tải lên: 21/07/2014, 15:20

... www.toolingandproduction.com Chapter 18/Tooling & Production 3 Chap. 18: Lapping and Honing from 12 to 48 inches in diameter. Large machines up to 144 inches are made. 1 to 20 HP motors run these tables. A typical ... 18 .3. Typical dual plate lapping ma- chine. (Courtesy Engis Corporation) Figure 18 .2. Abrasive grit must be uniformly graded to be effective in lapping. Workpiece Lap...

Ngày tải lên: 21/07/2014, 15:20

... 5 Chap. 17: Grinding Methods and Machines tion is shown in Figure 17. 12 and centerless grinder is shown in Figure 17. 13. 17 .2. 4 Internal Grinding Internal grinders are used to accu- rately finish ... will produce a precise thread form on the part. Figure 17 .20 shows a CNC thread grinder with a robotic loading system and menu- driven software programs. 17 .3 Creep-Feed Grinding Grin...

Ngày tải lên: 21/07/2014, 15:20

... teeth cutting at one time varies from 2 to 10 or more. Saws may be of the continuous cutting (band or rotary) or reciprocating type. A typical sawing operation is shown in Figure 15.1. The cutting ... others. For example, an increase in cutting rate always reduces tool life and may affect accuracy, 15 .3. 3 Saw Blade Welding Practically all vertical metal -cutting band-saws have an...

Ngày tải lên: 21/07/2014, 15:20

... automotive parts. (Courtesy Sandvik Coromant Co.) FIGURE 13. 31: Face milling operation. (Courtesy Valenite Inc.) FIGURE 13. 32 : End milling operation. (Courtesy Valenite Inc.) (a) (b) FIGURE 13. 33: Milling ... shown in Figure 13 .27 . Slotting and Slitting Operations: Milling cutters of either the plain or side -cutting type are used for slotting and slitting operations (Fig. 13. 30a and...

Ngày tải lên: 21/07/2014, 15:20

... tap wrench. (Courtesy: Morse Cutting Tools) Taps are used for threading a wide range of materials both ferrous and non-ferrous. All pipe taps are supplied with 2- 1 /2 to 3- 1 /2 thread chamfer. The nominal ... makes eight partial FIGURE 11. 12: (a) Spiral-point taps have replaced ‘stan- dard’ taps in many cases. (b) A spiral-fluted bottoming tap. (Courtesy: Morse Cutting Tools) F...

Ngày tải lên: 21/07/2014, 15:20

... the machine size. Cutting Tools: Cutting tools are the same as those used on the table- type machine. Work holding is also the same, and angle plates are fre- quently used. 10.7 .2 Vertical Boring ... the machine at a cutting depth that is greater than the desired cutting depth compen- sates for the radial deflection. When cutting begins, the radial cutting force reduces the...

Ngày tải lên: 21/07/2014, 15:20