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Manufacturing & Metal Working

Process Equipment

Process Equipment Article

A grinding machine is a machine tool used for producing very fine finishes or making very light cuts, using an abrasive wheel as the cutting device. This wheel can be made up of various sizes and types of stones, diamonds or of inorganic materials. For machines used to reduce particle size in materials processing see grinding.

Construction

The grinding machine consists of a power driven grinding wheel spinning at the required speed (which is determined by the wheel.s diameter and manufacturer.s rating, usually by a formula) and a bed with a fixture to guide and hold the work-piece. The grinding head can be controlled to travel across a fixed work piece or the workpiece can be moved whilst the grind head stays in a fixed position. Very fine control of the grinding head or tables position is possible using a vernier calibrated hand wheel, or using the features of NC or CNC controls.

Grinding machines remove material from the workpiece by abrasion, which can generate substantial amounts of heat; they therefore incorporate a coolant to cool the workpiece so that it does not overheat and go outside its tolerance. The coolant also benefits the machinist as the heat generated may cause burns in some cases. In very high-precision grinding machines (most cylindrical and surface grinders) the final grinding stages are usually set up so that they remove about 2/10000mm (less than 1/100000 in) per pass - this generates so little heat that even with no coolant, the temperature rise is negligible.

Process Equipment Items

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Phenolic Grade LE Sheet 1" x 10" x 11.5"
$35.45
1) GE Lexan 3414R-701, Scrap Plastic
$10000.00
Phenolic Grade CE Sheet .500" x 19" x 48"
$145.92
HD Polyethylene Sheet 1.5" x 1.75" x 18" - White HDPE
$6.05
Plastic Resin, Valox 420, Natural in Original Packaging
$207.50
GEAR BOX davis standard blue ribbon 2 1/2 " gearbox
$12900.00
Bottle Filler, Manual Piston Type, Up to 50 ml
$599.00
Phenolic Grade CE Sheet 1.5" x 12" x 24"
$106.56
1999 Cumberland No.5 Plastic Granular Plastic Grinder
$2000.00
Plastic Resin, TPO 49 Shore D, Black, 550#
$100.00
1/4" M X F Mini Ball Valve- Nickel Plate Brass - 10pcs
$6.00
Rotary Turntable Powered Pallet Conveyor
$5500.00
Guyson SBP-40 Blast Cleaner
$500.00
Phenolic Grade CE Sheet .750" x 12" x 36"
$95.04
Mcelroy Sidewinder Fusion Machine 4" PLASTIC WELDER
$115.37
Plastic Resin, 14% GF Nylon 6/6 Zytel 8018 Black 770#
$100.00
NIBCO T-113 3" BRONZE GATE VALVE , NIB
$46.01
316 STAINLESS STEEL TANK - 5,500 GALLON - ALABAMA
$12500.00
Phenolic Grade CE Sheet 2.5" x 24" x 27"
$375.84
Phenolic Grade LE Sheet 2" x 12" x 36"
$190.08
HD Polyethylene Sheet 1.5" x 6" x 48" - White HDPE
$44.30
FISHER VALVE MODEL 54.24577S 1 1/2'' 316SS BRAND NEW NR
$129.95
HD Polyethylene Sheet 2" x 9" x 26" - Black Repro HDPE
$45.12
Acetal Delrin Sheet .625" x 6" x 17"
$21.42
Jacketed Tank Pressure Vessel
$3600.00
GPO-1 Laminate Sheet .250" x 24" x 36"
$44.54
SPIRAX SARCO 1" Y STRAINER ,NEW
$35.00
Therma Jet Solid Build Material
$100.00
HOOVER CHEMICAL TOTE TANKS ~ 290 GALS EA - STAINLESS
$600.00
UHMW Round Rod 7" diameter x 12" long - White
$92.30
HD Polyethylene Sheet 2" x 15" x 47" Black Repro HDPE
$128.10
Acetal Delrin AF Sheet .375" x 12" x 23"
$91.99
Phenolic Grade LE Sheet .625" x 12" x 12"
$36.78
Phenolic Grade CE Sheet 2" x 24" x 36"
$380.16
NIB ROBERTSHAW 1/2" 3 Way MIX Valve, Series 2546-315
$9.99
Set of 2 36" long 1" Diameter Delrin Round Bar Stock
$17.50
12 gallon Stainless Steel TANK w/ internal perf. basket
$650.00
Acetal Delrin Sheet .625" x 7" x 24"
$35.08
Plastic Resin, HIPS, Green, 350#, Green, Original Bags
$50.00
ROFIN SINAR DPSS DIODE GREEN LASER MARKER, marking
$25000.00
Acetal Delrin AF Sheet .625" x 9" x 12"
$45.12
MX-1000 Mixing Nozzle Tip; 7/8"-14 Thread, 1/2" Radius
$240.00
Therma Jet Solid Build Material
$100.00
COSMOS 1 MODEL 612 COMMERCIAL LABEL DISPENSER W/EXTRAS
$149.99
LOT OF 5 PARKER MISC. VALVES , NEW
$20.00
HD Polyethylene Sheet 2" x 9" x 24" - Black HDPE
$48.98
Therma Jet material- Invision printer
$100.00
HD Polyethylene Sheet 2" x 12" x 24" - BLUE HDPE
$77.14
Acetal Delrin Sheet .625" x 10.5" x 18"
$39.47
Acetal Delrin Sheet .625" x 5.75" x 13"
$15.61
Acetal Delrin AF Sheet 1" x 9" x 13.5"
$81.21
Phenolic Grade LE Sheet .625" x 20" x 36"
$153.20
Acetal Delrin AF Sheet .625" x 1.75" x 28"
$20.47
MX-1000 Mixing Nozzle Tip; 7/8"-14 Thread, 3/4" Radius
$240.00
Phenolic Grade CE Sheet 1" x 24" x 48"
$322.56
Cemac 28 Valve Rotary Bottle Filler
$8000.00
Plastic Resin, HIPS 2186, Black, 490# In Orogonal Box
$50.00
Plastic Resin, Celcon TX90 Natural,110#, Original Bags
$10.00
Phenolic Grade CE Sheet .032" x 3.375" x 6.75" - 10 pcs
$5.61
Groen DL40 Stainless Steam Jacketed Tilting Kettle Tank
$1850.00
2003 Cumberland Model 1620X Plastic Granular Grinder
$6500.00
Low Level Bulk Bottle Depalletizer NEW in 2003
$58000.00
HD Polyethylene Sheet 2" x 13" x 34" - Black HDPE
$89.48
304 STAINLESS STEEL TANKS - VERTICAL 5,000 GALLON
$11500.00
316L STAINLESS STEEL TANK -12,000 GALS - NEAR ATLANTA
$19500.00
Service Engineering Vibratory Bowl Feeder
$99.99
Acetal Delrin Sheet .625" x 10.75" x 19.5"
$43.77
Therma Jet Solid Build Material
$100.00
Phenolic Grade LE Sheet .030" x 5" x 6.75" - 10 pieces
$6.55
Stainless Steel Valve
$9.99
Plastic Resin, Alpha Gary PVC 2222-C74 Clear 760#
$200.00
Plastic Resin, TPO 41 Shore D, Black, 765#
$150.00
Plastic Resin, TPO 41 Shore D, Light Stone, 920#
$200.00
GPO-3 Laminate Sheet .500" x 24" x 35"
$86.66
Acetal Delrin Sheet 1" x 20" x 23"
$174.80
Phenolic Grade CE Sheet .375" x 5.25" x 18"
$10.98
Plastic Resin, Isoplast 101 Black,110# In Original Bags
$25.00
Acetal Delrin Sheet .625" x 10" x 15.5"
$32.37
Acetal Delrin Sheet .625" x 7.75" x 12"
$19.42
Phenolic Grade LE Sheet .750" x 12" x 24"
$60.48
Phenolic Grade CE Sheet .875" x 24" x 24"
$133.20
Phenolic Grade LE Sheet .250" x 12" x 12"
$12.22
HD Polyethylene Sheet 2.5" x 17" x 48" - White HDPE
$189.99
FIBERGLASS TANKS: 5,000, 12,000 AND 20,000 GALLONS
$12500.00
2004 Cumberland Model 1620X Plastic Granular Grinder
$6000.00
Phenolic Grade LE Sheet .375" x 11.5" x 17"
$19.87
304 STAINLESS STEEL TANKS - 12,000 GALS - ALABAMA
$19500.00
Phenolic Grade CE Sheet 1.5" x 15" x 15"
$85.50
Phenolic Grade LE Sheet 1" x 12" x 36"
$120.96
Phenolic Grade CE Sheet .625" x 12" x 14"
$27.97
SSD Control Pro 400 CNC Router for Vinyl Fence - 2006
$18500.00
Plastic Resin, TPO 48 Shore D, Black, 500#
$100.00
Acetal Delrin Sheet .625" x 6.75" x 24"
$33.83
Aluminum Ultrasonic Horn for Branson or Dukane Welder
$199.00
NIB BANNER Beam Array Machine Guard Model #MGR1816A
$150.00
HD Polyethylene Sheet .250" x 24" x 48" - White HDPE
$24.99
Conair Franklin Vacuum Timer Hopper Magnetic Feeder
$199.99
Phenolic Grade LE Sheet 1.5" x 6" x 24"
$60.48
Acetal Delrin Sheet .625" x 10" x 20"
$41.76
Acetal Delrin Sheet .625" x 11" x 14"
$32.16