หินเจียรข้อเหวี่ยง (Crankshaft Grinding Wheels)

หินเจียรข้อเหวี่ยง (Crankshaft Grinding Wheels)

Crankshaft grinding is found throughout the automotive, truck, diesel, aircraft, small engine manufacturing industry and also in many engine rebuilding firms for regrinding of the pins and bearings. Wheel speeds of up to 2700m/min are most common, however some production machines will run at higher speeds.

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Crankshaft Grinding Wheels
Crankshaft grinding is found throughout the automotive, truck, diesel, aircraft, small engine manufacturing industry and also in many engine rebuilding firms for regrinding of the pins and bearings. Wheel speeds of up to 2700m/min are most common, however some production machines will run at higher speeds.

thicker wheels may be relieved or recessed to  wheel Types 5,7 or 21. 

For Multi- Wheel machines used to grind all the main bearings at one time, specify diameter and thickness tolerances for the set of wheels. This will assure wheels being trued, marked and packed in sets as required for use.  
SL.Carborundum 3 layer crankshaft grinding wheels can hold tight corner radii and achieve good surface finish of pins, bearing seats, and their side walls of a crankshaft, while plunge grinding.

Standard Sizes

นิ้ว (Inch)

D T H
14” 1/2” . 3/4” . 7/8” 3"
16” 3/4” . 7/8” . 1” 3", 5"
18” 1” . 1-1/8” . 1-1/4” . 1-3/4” 3", 5"
20” 3/4” . 7/8” . 1” . 1-1/8” . 1-1/4” . 1-1/2” 3-3/4", 6"
22” 7/8” . 1”. 1-1/4” . 1-3/4” 6"
23” 3/4” . 7/8” . 1” . 1-1/8” . 1-1/4” 6"
24” 3/4” . 7/8” . 1” . 1-1/8” . 1-1/4” . 1-1/2” . 1-3/4” 8"
26” 3/4” . 7/8” . 1” . 1-1/8” . 1-1/4” . 1-1/2” . 1-3/4” 8"
28” 3/4” . 7/8” . 1” . 1-1/8” . 1-1/4” . 1-1/2” . 1-3/4” 6", 8"
30” 3/4” . 7/8” . 1” . 1-1/8” . 1-1/4” . 1-1/2” . 1-3/4” 8", 12" , 17-3/4"
32” 3/4” . 7/8” . 1” . 1-1/8” . 1-1/4” . 1-1/2” . 1-3/4” . 2” 8", 12"
36” 1” . 1-1/8” . 1-1/4” . 1-1/2” . 1-3/4” . 2” . 2-1/2” 12"
40” 1” . 1-1/8” . 1-1/4” . 1-1/2” . 1-3/4” . 2” . 2-1/2” 12"
42” 1” . 1-1/8” . 1-1/4” . 1-1/2” . 1-3/4” . 2” . 2-1/2” 12"
50” 1-1/4” . 1-1/2” . 1-3/4” . 2” . 2-1/2” 12"
60” 1-1/2” . 1-3/4” . 2” . 2-1/2” 12", 20"

 

มิลลิเมตร (mm)

D T H
355 13, 19, 22 76.2
405 19, 22, 25 76.2, 127.0
455 25, 28, 32, 45 76.2, 127.0
510 19, 22, 25, 28, 32, 38 95.24, 152.4
560 22, 25, 32, 45 152.4
585 19, 22, 25, 28, 32 152.4
610 19, 22, 25, 28, 32, 38, 45 203.2
660 19, 22, 25, 28, 32, 38, 45 203.2
710 19, 22, 25, 28, 32, 38, 45 152.4, 203.2
760 19, 22, 25, 28, 32, 38, 45 203.2, 304.8, 450.8
810 19, 22, 25, 28, 32, 38, 45, 50 203.2, 225.0, 304.8
915 25, 28, 32, 38, 45, 50, 65 304.8
1015 25, 28, 32, 38, 45, 50, 65 304.8
1065 25, 28, 32, 38, 45, 50, 65 304.8
1250 32, 38, 45, 50, 65 304.8
1500 38, 45, 50, 65 304.8, 508.0