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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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tonkaflo osmonics reverse osmosis OSMO 550 434-SB 92CHF
$2750.00
(3047)POLYCARBONATE 1/4"THICK CLEAR AR COATED MATERIAL
$40.00
21183 Polypropylene Natural 2 1/2" x 4 1/2" x 24"
$14.99
Yokogawa Admag Magnetic Flowmeter AM115AG
$199.99
(2)UHMW CUTOFFS IN 3/4", 1", 1 1/4" AND 1 1/2" THICK
$12.00
New! Electromagnet induction Sealing Machine Capper CAP
$229.99
Hedland H705B-010 Flow Meter
$199.95
New 30 mm Arburg Mixing Screw 27.776 long
$175.00
LEE 50 gal 316 reactor UNIFLOW JKT sanitary polished
$4500.00
Stainless Steel Static Mixer Inline In Line 1/2" New
$99.99
Custom Fabricated- Tear Notch, Chopping Razors- 100-NEW
$6.50
Hedland H705B-005-HT Flow Meter
$249.95
Thermoforming Machine
$1000.00
Sandretto Injection Molding Machine
$8000.00
Krauss Maffei Injection Molding Machine
$9000.00
(1970)PVC ROD 3 1/2"DIAMETER BLUE 30" LONG FOR SALE
$68.00
(1964)PVC ORANGE ROD 1 1/2" DIAMETER 30" LONG
$13.75
(1)UHMW 3/4" THICK AND 1" THICK CUTOFFS IN BLACK/GREEN
$15.00
Hedland H883B-030 Flow Meter
$699.95
Sandretto Advantage 165 Injection molding press
$12000.00
(2018)GPO3 FIBERGLASS PLATE 1 1/2" THICK 10 1/2" X 12"
$50.00
(4038) LEXAN CLEAR .040" THICK48" X 96" SHEET FOR SALE
$49.50
Plastic Technician Tools
$60.00
Hedland H705B-020 Flow Meter
$199.95
Lexan Polycarbonate 1 pc 1/4 x 11-3/4 x 13-1/2
$5.99
1" FISHER REGULATOR 46-95psi BIG JOE
$100.00
Neoprene sheet of Rubber .062 x 36 x 36 Unused High END
$12.99
brass screw flange
$49.50
STRAINER WYE CAST IRON 1/2" NPT 250 SWP WATTS 233WH
$8.99
Lexan polycarbonate 1/4 inch x 30 3/4 x 41 1/2
$20.00
(1783)BLACK PAPER PHENOLIC3/16 2PCS 19"X13" 1PC 22"X21"
$10.00
(4)UHMW CUTOFF 16 LBS OF WHITE/BLACK 9 PCS TOTAL
$14.00
(5)UHMW CUTOFFS 12 PCS ALL 13 1/2" LONG IN GREEN/WHITE
$12.00
STRAINER WYE CAST IRON 3/4" NPT 250 SWP SARCO 231WH
$9.99
20721 UHMW 2 1/4" dia x 2 1/4" to 4 3/4" x 17 pcs
$9.99
Rosemount Eagle Eye 410 DP/Flow Meter
$20.00
FLOW METER TRUCK OIL TRANSFER
$500.00
PARKER FLOW CONTROL VALVE FS-1200S PULLED WORKING
$49.99
Hedland H755B-020 Flow Meter
$199.95
Pure Gum Rubber 1/4" thick x 36" wide. 35-45 durometer
$110.00
20953 UHMW pink 2" dia x 2 3/4" to 5 3/8" x 20 pcs.
$9.99
20747 Acetal gray 3" dia x 11-3/4" long
$29.99
ESBE THERMIC VALVE DN40/DN32 1 1/4"/1 1/2" NEW 3WY 2QY
$69.99
Brand New! 12" Impulse Heat Sealer W/Warranty FREE KIT!
$24.99
(1655) LEXAN CLEAR 3/8" THICK 20"X48" IN THIS SALE !!!
$62.50
Clamp for 1-1/2" Tri Clamp Tri-Clover Style Fitting
$2.50
waukesha and other brand fittings 1-1/2"
$10.00
Hedland H705B-020-HT Flow Meter
$249.95
PLEXIGLASS ACRYLIC LEXAN SHEET 1/4" X 17 1/2" X 30"
$10.00
1981 CINCINNATI 250-TON PLASTIC INJECTION MOLDING MACHI
$10500.00
150 gal stainless steel JACKETED TANK 1 " bottom outlet
$850.00
Brand New!! 8" Impulse Heat Sealer W/Warranty FREE KIT!
$24.00
waukesha and other brands 1-1/2"
$10.00
Heat Exchanger / Water recirculating temp. controller
$5100.00
Tote Tank, Model 18-35L-LLDPE
$577.00
(6)PVC PLATE 3/4" AND 1 1/2" THICK GREY 21 LBS IN THIS
$15.00
NEW Omega FMA1710 Mass Flowmeter, 200 SCCM, 3/8" NPT
$4.99
(2006)PHENOLIC BLACKXX 3/16" THICK 24" X24" FOR SALE!!!
$19.75
Sonney Orfice Computer
$35.00
Maxitrol RV-81 Gas Regulator
$20.00
Hedland H705B-005 Flow Meter
$199.95
NEOPRENE MATERIAL,WET SUIT MATERIAL,CAMPING MAT
$9.99
407 PIECES O-RING AUTO SERVICE KIT BUNA-N APPROVED NR
$5.99
SP Small power machine company press *NR*
$299.00
Brand New! 4" Impulse Heat Sealer W/Warranty FREE KIT!
$9.99
325 GAL POLY PLASTIC STOCK WINE WATER STORAGE TANK
$99.99
Hedland H855B-030-HT Flow Meter
$799.95
polycarbonate sheet 1/4 inch x 26 x 48 LIGHT BRONZE
$20.00
Brillianize Plastic Cleaner 8 oz ***BUY 1 GET 2 FREE**
$8.95
Brand New! 12" Impulse Heat Sealer W/Warranty FREE KIT!
$35.00
(3)HDPE 1" THICK PLATE WHITE 7 PCS 8 1/4" X 10 3/4" IN
$14.00
Lot Of (11) Tri Clover Stainless Steel Clamps
$9.99
21131 UHMW black virgin 1" dia x 20" long x 4 pcs
$9.99
Lexan XL 10 polycarbonate 1/8 inch x 17 x 36
$6.00
SS 4 x 40 Membrane Housings
$250.00
KITZ Stainless ¾in. CHECK VALVE CF3M Class 150
$45.00
Hedland H805B-030 Flow Meter
$699.95
Hedland H755B-020-HT Flow Meter
$249.95
Hedland H705B-010-HT Flow Meter
$249.95
PRESSURE RELIEF VALVE
$700.00
Brass Elbow Comp. Fitting; 1/4 tube x 1/4 NPT, 25 ea.
$9.99
Advance Thermal Corp.- Insulation Boot for Fisher PRV
$19.99
Plastic-White Delrin/Acetal Rod 1/2" diameter, bushings
$2.75
1998 BATTENFELD 55-TON PLASTIC INJECTION MOLDING MACHIN
$12500.00
IPS Weld-on #16 - 5 ounce Tube Acrylic Cement
$8.75
Clear Acrylic Sheets (500 pieces)
$745.00
Trueblood Vertical Injection Molding Machine
$6000.00
(1971)PVC ROD BLUE 1 1/4" DIAM 30" LONG IN THIS SALE
$12.50
AAA Thermoforming Plastic Machine~Enforcer Thermoformer
$3999.00
1989 TOSHIBA 165-TON PLASTIC INJECTION MOLDING MACHINE
$12500.00
Brand New! 4" Impulse Heat Sealer W/Warranty FREE KIT!
$4.99
Brand New!! 8" Impulse Heat Sealer W/Warranty FREE KIT!
$18.99
MUELLER 1/2" Y STRAINER BRONZE BRASS 150 W/.045 SCREEN
$2.99
CAMARO Inner padded Pillar post mouldings OER 69 BLACK
$34.99
Hedland H855B-030 Flow Meter
$699.95
plastic injection molding nozzle heater band NEW***
$9.99
(4020) PHENOLIC G10 1" THICK 6" X 12" IN THIS SALE!!!!
$15.00