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Manufacturing & Metalworking

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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Cincinnati VT 220 ton 20 oz. Injection molding machine!

$9595.00
Clay Mixer extruder pug mill Bulldog Factory Services

$8500.00
Temperature Controllers Sterlco Plastics

$450.00
Acetal Delrin virgin white 1.25 x3 x20.25" (4#)

$22.99
Central PE Butt Fushion Machine

$350.00
Acrylic sheet Gray tint .080 x 23 5/8 x 48 4 sheet

$18.00
Polypropylene marine plastic sheet 3/4" 21.38" x 9.12"

$6.50
Applied Materials AMAT H2O Flow Meter 0-55 GPH NEW

$9.99
NEW CLEAR ACRYLIC TUBING 1/2" OD x 3/8" ID 6 FT LONG

$3.90
Parts washer continuous stainless heated

$490.00
GOUGH ECON BUCKET CONVEYER INJECTION MOLDING

$1500.00
CINCINNATI MILACRON SCREW MOTOR VISTA 440 550 TON

$2500.00
Plastic-White Delrin/Acetal Rod 3/4" diameter, bushings

$5.25
Temperature controller Sterlco M8424 water

$320.00
NEW! CLEAR ACRYLIC TUBING 3/8" OD x 1/4" ID 6 FT LONG

$2.90
Unused Eirich Paddle-Ribbon Jacketed Dimple Blender

$97000.00
Plastic Loading and Mixing System- New System

$10000.00
Vacuum Form Mold Table (composite plastic bonding tool)

$3500.00
NOVUS Plastic Acrylic Plexiglass Cleaner 8 Oz. Kit

$22.00
NEW UNUSED RUBBER SHEET 36" X 36" X 0.312" (MIL-R-6130)

$24.95
WHITE VIRGIN TEFLON 1 PC. 1/4 X 7 1/2 X 14 5/8 281

$19.99
Nuclear Quality 24 X 24 X 12 Hepa Filter New! 99.9%++

$99.99
BOTTLES 32 OZ hdpe White WITH POUR SPOUTS / Caps

$0.75
6 BULLET PIERCING VALVES

$3.99
Transmation 2200P Pneu-cal II Digital Pneumatic Calibra

$450.00
IMS Dual Drum Tumbler

$2500.00
Moore H/FR Valve Positioner & Motion Transmitter 74G.

$9.99
Moretto Plastic Material Mixer- New Been Used

$5000.00
NEW! CLEAR ACRYLIC TUBING 3/4" OD x 5/8" ID 6 FT LONG

$5.60
Plexi glass Clear Acrylic Sheet 1" thick 12"x12" NEW

$19.99
Plastics dryer vacuum conveyors dhd-4 unadyn filters

$4750.00
The DUST HOPPER *** DVD DEMO *** for Plasma Cam Owners

$0.99
HYDROGEN Flow meter

$30.00
Kueppers Kuppers Helical Flow Meter New Calibration Doc

$3450.00
NEW CLEAR ACRYLIC ROUND RODS 1/4" dia. 6 FT PLASTIC 72"

$1.90
Omega FL550 Series In-Line Flowmeters and Switch Kits

$30.99
Whitey high pressure valve , 1/2 in, brand new, brass.

$18.99
phonelic

$4.00
CARBON FIBER 6 OZ 3K 12x12 PLAIN WEAVE 193 gr sq/mtr

$45.75
Moore H/FR Valve Positioner & Motion Transmitter 74G.

$4.99
STAINLESS STEEL SANITARY Centrifugal pump 5HP BRAND NEW

$599.00
UNA DYN 1500 LB HOPPER FOR INJECTION MOLDING

$950.00
NEW! CLEAR ACRYLIC TUBING 1/4" OD x 1/8" ID 6 FT LONG

$1.90
NEW CLEAR ACRYLIC ROUND RODS 1/2" dia. 6 FT PLASTIC 72"

$4.40
Moretto Plastics Loading System- New System

$1000.00
Thermol Heat Gun..

$28.00
Acrylic Mirrors 1/4 " 8" x 20" (5 Sheets)

$6.90
NEW CLEAR ACRYLIC ROUND RODS 1/8" dia. 6 FT PLASTIC 72"

$1.00
Graco Bulldog pneumatic pump 10-1 206 207 208 unused

$1705.00
Block of Grey Ultra-High Molecular Weight Polyethylene

$39.99
ENGEL 80 TON INJECTION MOLDING MACHINE MODEL ES 240/80

$9999.00
NEW CLEAR ACRYLIC ROUND RODS 3/4" dia 6 FT PLASTIC 72"

$8.60
Sterlco Oil Heater

$500.00
10 hp Plastics Grinder and Blower System

$6000.00
Omega FL550 Series In-Line Flowmeters and Switch Kits

$26.00
Hot oil temperature controller advantage regal rdo-1230

$2750.00
Spraymation Hot Melt Applicator

$700.00
1/3 HP Lightnin Air Mixer, Model NAG-33

$727.00
NOVUS 8OZ SET PLASTIC LEXAN PLEXIGLAS SCRATCH REMOVER

$13.75
NEW CLEAR ACRYLIC ROUND RODS 3/16" dia 6 FT PLASTIC 72"

$1.30
Biodiesel 3/4 spiral mix tube, static mixer, tube mixer

$18.39
TriClover Prefilter, Size 11/2" - 038

$227.00
Heat Exchanger pharmaceutical Kinetics 31gal

$2900.00
TriClover Bulls Eye, Size 1 1/2"

$127.00
Propane MAPP Brass Regulator TurboTorch R-LP

$49.75
Eirich Plow Blender, 140 Cubic Foot

$127000.00
Mixer Homogenizer Omni Omnimax digital 5000 rpm

$750.00
PHENOLIC CANVAS MICARTA 2 PIECES 2 7/16 IN. THICK 263

$29.99
New Piston Depositor filler Filling Machine (16 oz)

$499.00
NYLON 6/6 PLASTIC SHEET 24"x48" x.125" NATURAL RIGID

$50.00
Moore H/FR 74G Repair Kit. NIP.

$4.99
Rennco 501 Vertical Bagger/Shrink Wrapper

$3000.00
Dyno-Mill KDL , Wab Bachofen , Glen Mills

$2975.00
Moore H/FR Valve Positioner & Motion Transmitter 74G.

$9.99
Oxweld Inert gas regulator USED R-76

$25.00
1/8" PLEXIGLASS ACRYLIC MIRROR RED (5 pcs) 9 x 9

$5.99
DATA SCALE LIQUID PAIL FILLER

$12995.00
NEW CLEAR ACRYLIC ROUND RODS 5/16" dia 6 FT PLASTIC 72"

$2.40
NEW CLEAR ACRYLIC TUBING 5/16" OD x 3/16" ID 6 FT LONG

$2.40
Labelaire Labeler Printer Applicator SATO w/Stand

$5500.00
LANTECH * PALLET STRETCH WRAPPER * V SERIES Wrapping

$4200.00
Ink Refilling Machine R-JeTek SelectJet

$1000.00
Varian leak detector 990-CLD V70D macro torr leybold

$3500.00
Polypropylene plastic marine 3/4" thk 1pc 27.5"x 9.875"

$6.00
Brand New SS HEPA Nuclear Grade Pre Filter 24 X 24 X 5

$66.99
Extrusion Blow Molding Head- New 2 X 200mm CD

$10000.00
Omega FL-2057 Flow Meter - 0.3-3 SCFM of Air

$34.50
Sergeant Shrink Wrapping System

$7500.00
NEW! CLEAR ACRYLIC TUBING 5/8" OD x 1/2" ID 6 FT LONG

$4.60
NEW CLEAR ACRYLIC ROUND RODS 3/8" dia 6 FT PLASTIC 72"

$2.90
Makrolon, Lexan smoke

$100.00
Conair plastic filter units

$450.00
Branson welding actuator 921AOS Plastics

$390.00
Injection Blow Molding Machine -2008 Model 125/25

$90000.00
DWYER Flow meter Model RMA-26 5 LPM

$20.57
Cole Palmer mixer head unused 50000-25

$180.00
30HP NELMOR PLASTIC GRANULATOR MODEL 1620 YEAR 1999

$7900.00