Cutting Tools Episode 2 Part 9 ppt

... Figure 18.11. 18.5 .2 Vertical Spindle Machines Vertical-spindle honing machines are used especially for larger, heavier work. These all have power stroking at speeds from 20 to 120 FPM. The length ... (Fig. 18.9b). The stones come in a wide variety of sizes and shapes. Frequently there are hard- ened metal guides between the stones to help start the hone cutting in a straight line. Cutt...

Ngày tải lên: 21/07/2014, 15:20

... Figure 10. 19 shows a five-axis ram-style machining center. Parts can be clamped to the table and numerically (NC or CNC) positioned to perform a boring operation. Cutting Tools: Cutting tools are held ... 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...

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... 17 Grinding Methods and Machines Metal Removal Cutting- Tool Materials Metal Removal Methods Machinability of Metals Single Point Machining Turning Tools and Operations Turning Methods and Machines Grooving ... grinders. 17 .2. 1 Surface Grinding Surface grind- ers are used to produce flat, an- gular, and irregu- lar surfaces. A typical hand op- erated surface grinder is shown in Figure 17...

Ngày tải lên: 21/07/2014, 15:20

... hard, sharp, and cool cutting abrasive. It is one of the newest manufactured abra- sives and 2 1 /2 times harder than alu- minum oxide. It can withstand tem- peratures up to 25 00 degrees Fahren- heit. ... a good 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...

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 ... 2 Tooling & Production/April 20 02 www.toolingandproduction.com George Schneider, Jr. CMfgE Professor Emeritus Engineering ... called a saw blade. Sawing is normally used to sep...

Ngày tải lên: 21/07/2014, 15:20

... internal broaches. Keyway Broach: Almost all key- ways in machine tools and parts are cut by a keyway broach - a narrow, flat bar with cutting teeth spaced along one surface. Both external and internal keyways ... 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. Onl...

Ngày tải lên: 21/07/2014, 15:20

... unbalanced parts which can- not be rotated at high speeds; complex surface shapes, eccentric parts and components with additional elements that protrude; log, unstable shafts or thin-walled parts. Chap. ... available for end mills and shell mills as shown in Figures 13 .25 a and 13 .25 b respectively. For some opera- tions that require the use of tools with non-standard shank sizes, chucks...

Ngày tải lên: 21/07/2014, 15:20

... .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 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 Milling Cu...

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 ... per side, which 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 Cutti...

Ngày tải lên: 21/07/2014, 15:20

... View Workpiece Chap. 9: Drilling Methods & Machines 2 Tooling & Production/Chapter 9 www.toolingandproduction.com 9 .2. 1 Simple Drill Press A simple drill press (Fig .9 .2) may be floor mounted as shown, or ... 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 lo...

Ngày tải lên: 21/07/2014, 15:20