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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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BARCO WATER SERVICE ROTARY UNION BC-30002-08-01

$9.99
Temperature Controllers Sterlco Plastics

$450.00
Clay Mixer extruder pug mill Bulldog Factory Services

$8500.00
Dyno-Mill KDL , Wab Bachofen , Glen Mills

$2975.00
Biodiesel 3/4 spiral mix tube, static mixer, tube mixer

$18.39
Lot of 16 Fijikin Pneumatic Valves

$100.00
25 PLASTIC SHEETS~NEW POLYPROPYLENE CORRUGATED 11"X30"

$18.99
0.140 Clear Cell Cast Acrylic Plexiglass 12"x26" Sheet

$9.99
1/2 Thick 12" w x 47" h clear Acrylic sheet 2pc

$62.99
Hot oil temperature controller advantage regal rdo-1230

$2750.00
Brooks Instr.1110-01-F1B1A Rotometer 10-104cc/min #8119

$0.99
Rosemount Vortex 8800 Flowmeter

$149.99
1/8" Blue Cell Cast Acrylic Plexiglass 12"x12" Sheets

$9.99
label-aire 7465655 Micro control display board new aire

$0.99
Spraymation Hot Melt Applicator

$700.00
McDONNELL & MILLER FLOW SWITCH FS-6 -NIB-

$9.99
Dwyer RMA-21-SSV Direct Reading LPM Flow Meter

$35.00
EVERHOT PORTABLE PROPANE BRANDING IRON 4B1

$84.99
Injection Blow Molding Machine -2008 Model 125/25

$90000.00
Plastics dryer vacuum conveyors dhd-4 unadyn filters

$4750.00
AUDEL PUMPS & HYDRAULICS

$24.97
0.140" Clear Cell Cast Acrylic Plexiglass 24"x27" Sheet

$9.99
25 PLASTIC SHEETS~NEW POLYPROPYLENE CORRUGATED 11"X30"

$18.99
1/2 Thick 48" w x 48" h clear CAST Acrylic sheet 2pc

$289.99
NOVUS PLASTIC CLEANER SCRATCH REMOVER POLISH RENEW KIT

$7.95
25 PLASTIC SHEETS~NEW POLYPROPYLENE CORRUGATED 11"X30"

$18.99
25 PLASTIC SHEETS~NEW POLYPROPYLENE CORRUGATED 11"X30"

$18.99
Home Biodiesel 1" OD static mixer, 1" opaque spiral

$15.00
Graco Bulldog pneumatic pump 10-1 206 207 208 unused

$1705.00
McDONNELL & MILLER FLOW SWITCH FS-5 -NIB-

$9.99
TOLEDO DIGITAL SCALE MEAT WRAPPER GROCERY

$999.99
LARGE POLYCARBONATE PIECE 3/8'' Thick Hyzod sheet

$7.50
1/4" Clear Cell Cast Acrylic Plexiglass 12"x26" Sheet

$9.99
ENGEL 80 TON INJECTION MOLDING MACHINE MODEL ES 240/80

$9999.00
Mixer Homogenizer Omni Omnimax digital 5000 rpm

$950.00
210 GAL POLY PLASTIC STOCK WINE WATER STORAGE TANK

$49.99
Plastic Loading and Mixing System- New System

$10000.00
25 PLASTIC SHEETS~NEW POLYPROPYLENE CORRUGATED 11"X30"

$18.99
SMC Flow Switch PF2W704T-NO3-27, High purity systems.

$75.00
Heat Exchanger pharmaceutical Kinetics 31gal

$2900.00
Varian leak detector 990-CLD V70D macro torr leybold

$3500.00
1/32" Clear Cell Cast Acrylic Plexiglass 24"x26" Sheet

$9.99
SIMPLOMATIC PLA-63 PLASTICOR TABLE INJECTION MOLD PRESS

$1950.00
NEW ECONOMICAL FLOWMETER LIQUID 50MM 44GPH

$9.99
25 PLASTIC SHEETS~NEW POLYPROPYLENE CORRUGATED 11"X30"

$18.99
225 GAL POLY PLASTIC STOCK WINE WATER STORAGE TANK

$99.99
25 PLASTIC SHEETS~NEW POLYPROPYLENE CORRUGATED 11"X30"

$18.99
Parts washer continuous stainless heated

$490.00
A45- Lot of 11 Ball Casters

$0.99
S. HOWES HORIZONTAL MIXALL RIBBON MIXER 7 CU FT 3/4 FUL

$3499.00
Moretto Plastics Loading System- New System

$1000.00
25 PLASTIC SHEETS~NEW POLYPROPYLENE CORRUGATED 11"X30"

$18.99
MULTIVAC 908-1059 FLOW SWITCH ,NEW

$20.00
LOOK! Lot of 5 NICE Polymer Systems 10 hp Granulators

$14999.00
Fisher Positioner DVC6020 Fieldview I/P HART

$1000.00
HONEYWELL MODUTROL MOTOR M941A1008 6 NEW OR REPAIRED

$30.00
Temperature controller Sterlco M8424 water

$320.00
Moretto Plastic Material Mixer- New Been Used

$5000.00
Black Delrin/Acetal Rod 1/4" diameter, bushings(2 feet)

$3.99
25 PLASTIC SHEETS~NEW POLYPROPYLENE CORRUGATED 11"X30"

$18.99
3/16" Clear Cell Cast Acrylic Plexiglass 24"x25" Sheet

$9.99
Harmsco filter upflow stainless steel cartridge filter

$225.00
475 GAL POLY PLASTIC STOCK WINE WATER STORAGE TANK

$99.99
10 hp Plastics Grinder and Blower System

$6000.00
Cole Palmer mixer head unused 50000-25

$180.00
25 PLASTIC SHEETS~NEW POLYPROPYLENE CORRUGATED 11"X30"

$18.99
Nitrogen Shut Off Valve

$65.00
VACUUM FORM PLASTIC SHEET FORMING MOLD

$12.97
300 GAL POLY PLASTIC STOCK WINE WATER STORAGE TANK

$49.99
Extrusion Blow Molding Head- New 2 X 200mm CD

$10000.00
3D Printer & Rapid Prototyping Services

$9.99
Brooks Instr.C-321-K-137 Rotomtr 7.08 to 70.8SCFM #8117

$0.99
Branson welding actuator 921AOS Plastics

$390.00
25 PLASTIC SHEETS~NEW POLYPROPYLENE CORRUGATED 21"X19"

$21.95
0.060 Smoke Cell Cast Acrylic Plexiglass 6"x10" Sheets

$9.99
Conair plastic filter units

$450.00
BLACK PAPER BASE MICARTA 6 PIECES 13/16" THICK 206

$24.99
3/4 Thick 48" x 48" clear CAST Acrylic sheet 1pc

$192.99
25 PLASTIC SHEETS~NEW POLYPROPYLENE CORRUGATED 11"X30"

$18.99
25 PLASTIC SHEETS~NEW POLYPROPYLENE CORRUGATED 11"X30"

$18.99
HEAT TRANSFER TEFLON/FIBERGLASS SHEETS

$17.50
1/32" Clear Cell Cast Acrylic Plexiglass 24"x26" Sheet

$9.99
Label Aire 2138 Label Maker Zebra170 printer applicator

$1999.99
25 PLASTIC SHEETS~NEW POLYPROPYLENE CORRUGATED 22"X15"

$16.50
15x22 BLK HDPE sheet 3/4" thick

$10.99
1/2 Thick 48" w x 48" h clear CAST Acrylic sheet 1pc

$155.99
25 PLASTIC SHEETS~NEW POLYPROPYLENE CORRUGATED 22"X15"

$16.50
DEFINOX 1.5" SHUT OFF VALVE W/ TRI-CLAMP CONNECTIONS

$399.99
Plastic-Black ABS Blocks(3) 3 1/2" X 3 1/2" X 1 1/2"

$4.99
25 PLASTIC SHEETS~NEW POLYPROPYLENE CORRUGATED 22"X23"

$27.50
HONEYWELL GAS PRESSURE SWITCH C6097B1119 NEW IN BOX

$20.00
25 PLASTIC SHEETS~NEW POLYPROPYLENE CORRUGATED 22"X15"

$16.50
Sonic welding horn 730-001-021

$2.25
Sand Rock Dirt Screen with Conveyor on wheels

$4499.00
NEW KEY INSTRUMENTS AIR FLOWMETER / VALVE - 0.5-15 LPM

$20.51
Stainless Steel 304 Cone Bottom Tanks

$9500.00
25 PLASTIC SHEETS~NEW POLYPROPYLENE CORRUGATED 11"X30"

$18.99
Fisher Positioner DVC6010 Fieldview I/P HART

$1000.00
McDONNELL & MILLER FLOW SWITCH FS4-3T-3-1 -NIB-

$9.99