Cutting Tools Episode 1 Part 8 pot

... attached. Trepanning tools produce holes faster than more conven- tional tooling as shown in Figure 8. 25. From left to right are shown a 1 1/2 inch hole drilled into a 2 inch thick 10 18 steel plate ... Inc.) 12 ¡ 84 ¡ 15 6¡ (b) FIGURE 8 .17 : (a) Indexable drills using Trigon inserts. (b) A Trigon insert and holder. (Courtesy Komet of America, Inc.) (a) Chap. 8: Drills & Dr...

Ngày tải lên: 21/07/2014, 15:20

... available for sharpening most types of cutting tools. Sharpening of a tap is shown in Fig. 17 .17 a and grinding of a milling cutter is shown in Fig. 17 .17 b. Figure 17 . 18 shows sharpening of a carbide ... cases. www.toolingandproduction.com Chapter 17 /Tooling & Production 5 Chap. 17 : Grinding Methods and Machines tion is shown in Figure 17 .12 and centerless grinder is sho...

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 ... Chapters FIGURE 15 .1: Typical sawing operation. (Courtesy: Clausing Industries, Inc. 15 .1 Introduction Once sawing was considered a secondary machining process and saws were used...

Ngày tải lên: 21/07/2014, 15:20

... drilling and tapping (Courtesy: Morse Cutting Tools) FIGURE 11 .16 : An automated multihold tapping operation on a round part. (Cour- tesy: Tapmatic Corp.) FIGURE 11 . 18 : Various special tap heads with ... tapping heads (Fig. 11 . 18 ) can be set so that if a hard spot is met in the metal, the clutch slips and the tap will not break. They are con- FIGURE 11 .17 : Combination drill...

Ngày tải lên: 21/07/2014, 15:20

... System (STS). Some of the tools used in deep-hole drilling are shown in Figure 9 .15 . Hyper Tool manufactured the gun drills, and Sandvik manufactured the index- able tools. 9.6 .1 Gun Drilling Systems The ... Machine, Inc.) FIGURE 9 .14 : Various size drill chucks are shown. (Courtesy: Royal Products) FIGURE 9 .15 : Deep-hole drilling tools; the gun drills were manufactured by Hyper...

Ngày tải lên: 21/07/2014, 15:20

... diagram Velocity 40° Cutting stroke 220° 14 0° Return stroke 1. 0 1. 6 R e t u r n Velocity diagram Forward cutting speed Return speed (b) Velocity Return stroke (faster) Shaper ram Cutting stroke 4-way valve Pump Tank Motor Base Ram ... table (For example: 48 inches x 48 inches x 14 feet) The width and height are usually, but not always, the same. Table length is often made to o...

Ngày tải lên: 21/07/2014, 15:20

... main thread series: 1. Unified Coarse (UNC) 2. Unified Fine (UNF) 3. Unified Extra-Fine (UNEF) 4. Unified 8- Pitch (8 UN) 5. Unified 12 -Pitch (12 UN) 6. Unified 16 -Pitch (16 UN) The coarse-thread ... to 1 divided by the total number of threads per inch (P =1/ [no.threads/in.]). A screw having a single lead with 16 threads per inch has a pitch equal to 1/ 16 in., commonly referred t...

Ngày tải lên: 21/07/2014, 15:20

... machined parts. The cutting tools were preset, or “set up” by a skilled machinist, and usually several cutting tools were in operation at the same time, reducing the time spent in machining each part. ... or on the back of the structure, carries anywhere from 4 to 18 tool sta- tions. The tools are preset for the vari- ous operations. The tools are mounted in proper sequence on t...

Ngày tải lên: 21/07/2014, 15:20

... tra- ditional cutting processes to hard metals and alloys by selecting an appropriate D × × (RPM) SFPM = 12 3 .14 16 × 5 × 250 SFPM = 12 = 3927 12 Answer = 327.25 or 327 SFPM Answer = 334 .13 or 334 RPM 12 ... Chapter 2. (see Fig. 2. 28) Insert Insert Insert Letter Description Included Designation Angle R Round N/A O Octagon 13 5 H Hexagon 12 0 P Pentagon 10 8 S Square 90 C Dia...

Ngày tải lên: 21/07/2014, 15:20

... a MaterialHardness Machinability Rating 60 61- T Aluminum — 19 0% 7075-T Aluminum — 12 0% B 111 2 Steel 16 0 BHN 10 0% 416 Stainless Steel 200 BHN 90% 11 20 Steel160 BHN 80 % 10 20 Steel1 48 BHN Chap. 3: Machinability ... 16 0 Brinell AISI B 111 2 free machining low carbon steel. The American Iron and Steel Institute (AISI) ran turning tests of this material at 18 0 surface feet...

Ngày tải lên: 21/07/2014, 15:20