Cutting Tools Episode 2 Part 4 pps

... closed with a lever-oper- ated cam or with a large locking nut. Figure 13 . 24 a shows various size collets and Figure 13 . 24 b shows a number of tool holders including collets and a set-up fixture. Toolholders: ... milling opera- tions are shown in Figure 13.34a and Figure 13.34b. Advantages associated with turn milling are: capability of machining large and unbalanced parts which can- not...

Ngày tải lên: 21/07/2014, 15:20

... 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 lapping machine is ... as fine as 4 u inches and even finer finishes are possible. It can re- move as little as 0.0001 inch of stock or as much as 0. 125 inch of stock. However, usually only 0.0 02 to 0. 020...

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 ... the correct pitch, or lead, on a threaded part. Thread grinding machines also have a means of dressing or truing the cutting periphery of the grinding FIG. 17. 14: Internal grinding ope...

Ngày tải lên: 21/07/2014, 15:20

... idea to true the wheel if it is 90˚ 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 ... fine). Grain sizes are broadly defined as coarse (6 to 24 ), me- dium (30 to 60), fine (70 to 180), and very fine (22 0 to 1000). Figure 16 .4 shows a comparison of three differen...

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 ... the cross section of the largest piece of stock that it can cut. Typical sizes are 6 x 6 inches to 24 x 24 inches. The motors used will vary from 1 to 10 horsepower. The speed of these...

Ngày tải lên: 21/07/2014, 15:20

... rest Pull end FIGURE 14. 4: Principal parts of a round internal-pull broach. Chap. 14: Broaches & Broaching 8 Tooling & Production/Chapter 14 www.toolingandproduction.com part tolerances, ... is shown in Figure 14. 1. 14 .2 Broaching Tooling is the heart of any broaching process. The broaching tool is based on a concept unique to the process - CHAPTER 14 FIGURE 14. 1: Typical...

Ngày tải lên: 21/07/2014, 15:20

... × d .26 2 × 4 RPM = = = 3 82 IPM 30.5 RPM 3 82 apr = = = .080 in. apr .080 N 8 apt = = = .010 in. SFPM 380 .26 2 × d .26 2 × 6 RPM = = = 24 2 IPM=apt×N×RPM = .006×10 24 2= 14. 5 Chap. 12: Milling ... 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 Milling C...

Ngày tải lên: 21/07/2014, 15:20

... threads. 0.0 04 to 0.0 32 in. Cutting 11 .2. This shows the most frequently used style for holes up to 1 inch, called a chucking reamer. Solid reamers do almost all their cutting with the 45 degree ... 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 t...

Ngày tải lên: 21/07/2014, 15:20

... to 48 inches for boring cut, drilling, setting the depth of mill- ing cuts, etc. As in the table-type HBM, the spindle diameter and table size specify the machine size. Cutting Tools: Cutting tools ... 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

... the power for all cutting tools used. In this type of machine, a large number of holes may be drilled at one time. Several different diameters of drills may be used at the same time. 9 .4 .2 Gang Drilling An ... devices shown in Figure 9. 12. Drill Chucks: Cutting tools with straight shanks are generally held in a drill chuck. The most common drill chuck uses a key to lock the cut...

Ngày tải lên: 21/07/2014, 15:20