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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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NIB ROBERTSHAW 1/2" 3 Way MIX Valve, Series 2546-315

$9.99
NEW! Ascher Porter Flow Meter! NO RESERVE !!!

$25.00
NEW! CLEAR ACRYLIC TUBING 3/8" OD x 1/4" ID 6 FT LONG

$2.90
DISPERSER SLOW SPEED 30 HP

$3900.00
200 Gallon DOUBLE MOTION Jacketed Kettle Stainless

$12000.00
AUTOHOPPER vacuum loader

$1195.00
Branson Ultrasonic 910D Power Supply W/901AE Actuator

$1500.00
Schuld Mfg Complete 10 Silo Resin System Aluminum

$65000.00
Brand New! 4" Impulse Heat Sealer W/Warranty FREE KIT!

$4.99
NEW! CLEAR ACRYLIC TUBING 3/4" OD x 5/8" ID 6 FT LONG

$5.60
QTY5 Dwyer RMA-151 T19P 0-50 cc/min Air Gauge New

$24.99
Phoenix Apollo Gelcoat Spray System

$2850.00
Lexan Polycarbonate eq 1/4 x 6 x 31 2 Sheet LOT

$0.99
H2 Rich Steam Generator and Controller with Cables

$10000.00
H2 Rich Steam Generator and Controller with Cables

$10000.00
Imperial Industries Silo

$20000.00
CASTERS BALL BEARING SWIVELS 300# HOBBY CRAFTS GARAGE

$3.99
20 Feet Heavy Duty Powered Roller Conveyor 4" Rollers

$3500.00
Lightnin .87 HP Mixer model NLDG 75 Dura-mix Energy Eff

$499.99
1000W Max Portable Induction Sealer 18-90mm, 110V Sale!

$219.00
GPI Digital Flow Meter Model A109GMN100NA1 NEW

$125.00
5 Sheets Clear Plexiglass 10" x 3" x 3/32" in paper

$4.95
16808- Westlock 1.5'' ITT Valve

$1.00
Gravity Roller Pallet Conveyor 6' in Length

$650.00
Cole Palmer Flow Meter P/N N112-02

$10.95
NICE Polymer Systems GRINDER w/ NEW Conair Unloader Sys

$2199.00
AEC WATER TEMPERATURE CONTROLLER TCU-100 (1 HP)

$350.00
16811- Westlock 2'' ITT Valve

$1.00
Label Aire 2138 Label Maker Zebra170 printer applicator

$1999.99
15PCS.100 ACRYLIC CLEAR 8 3/4"x11 1/4" SHEET PLEXIGLASS

$15.00
Thermal Care Air Cooled Chiller

$3000.00
Rubber Roller - 1.5 In. Diameter

$2.99
Cherry Burrell 6 Valve Rotary Bottle Filler

$6500.00
Bliss Eliminator Hammer Mill

$16500.00
(1375-FC) I-Square-R StarBars, Element rods, 90 pcs, ne

$999.00
ALLEN BRADLEY 836T-D463J PRESSURE SWITCH ,NEW

$35.00
POWERMATIC 3 HEAVY DUTY DRILL PRESS

$500.00
GREEN PLEXIGLASS ACRYLIC SHEET 12 x 33 INCH NEW - SALE

$5.55
STAINLESS STEEL TANK TANKS AND TOTES

$20000.00
NEW! CLEAR ACRYLIC TUBING 5/8" OD x 1/2" ID 6 FT LONG

$4.60
NEW! CLEAR ACRYLIC TUBING 1/4" OD x 1/8" ID 6 FT LONG

$1.90
5 Sheets Clear Plexiglass 20" x 5" x 3/32" in paper

$9.95
Plastic-Black ABS Blocks(3) 3 1/2" X 3 1/2" X 1 1/2"

$4.99
BROOKS 0154i 4 CHANNEL MASS FLOW CONTROLLER

$1450.00
10pcs. PARKER B22E BRASS COUPLERS ,NIB

$20.00
GLOSS WHITE ACRYLIC PLEXIGLASS SHEET 40 x 33 NEW

$14.00
16810- Westlock 2'' ITT Valve

$1.00
INVENSYS REGULATOR VALVE # 243-12 NEW OR REBUILT

$25.00
Mixed Lot Stainless Sanitary Weld Fittings Ferrules

$100.00
New SPEEDRYER 50 lb/hr thermodynamic hopper dryer

$6195.00
16809- Westlock 2'' ITT Valve

$1.00
Gas regulator Argon Helium CO2 19057A CGA580 CGA 580

$25.00
NEGRI BOSSI INJECTION MOLDING MACHINE NB-130

$4499.99
NOWATA FILTRATION FILTER HOUSING

$350.00
Mixed Lot Sanitary Clamps Waukesha Tri-Clover

$50.00
Tri-Clover Type Sanitary Fittings Clamps Misc Fittings

$24.99
Injection Molding Press Cincinnati Milacron

$10000.00
IMS MEDIUM DUTY SCRAP GRINDER

$100.00
S. HOWES HORIZONTAL MIXALL RIBBON MIXER 7 CU FT 3/4 FUL

$3299.00
George Martin Round Belt Pulley B008884-00

$49.00
10pcs. SWAGELOK STAINLESS STEEL "R" FITTINGS ,NEW

$20.00
ENDRESS+HAUSER TRANSMITTER

$49.99
Green Acrylic Plastic Plexiglass Sheets

$75.00
LAKE MONITORS FLOWMETER G4A4AD10VS589 NEW

$20.00
LOT OF3 BISQUE COLORED ACRYLIC SHEET 1/8 INCH NEW

$15.00
VINTAGE / ANTIQUE PAPER CUTTER - DIAMOND / CHALLENGE

$500.00
Technostaal Schouten Counter Flow Pellet Cooler

$50000.00
MERCOID PRL-161-RG P1 UL PRESSURE SWITCH ,NEW

$20.00
Forsthoff Quick LE Heat Welding Hot Air Leister Gun New

$369.00
US Gage -Temperature Gage on 12' Capillary - NEW

$24.99
Custom Fabricated- Tear Notch, Chopping Razors- 100-NEW

$6.50
Baldor 15 HP Water Sanitary Irrigation Pump W/ControL

$999.99
GE 6600 V Volt Volts High Voltage 11.2KVA Transformer

$499.99
Neoprene sheet of Rubber .062 x 36 x 36 Unused High END

$9.99
NEW CLEAR ACRYLIC TUBING 5/16" OD x 3/16" ID 6 FT LONG

$2.40
NISSEI ROTARY TABLE INJECTION MOLDING PRESS TD60R12ASE

$7500.00
Brand New! 12" Impulse Heat Sealer W/Warranty FREE KIT!

$24.99
1/8 PEACH MIRROR ACRYLIC PLEXIGLASS 12 x 18 SALE

$0.99
McElroy #2 CU PE Fusion Machine

$950.00
125 Gallon Stainless Steel Balance Tank - VERY NICE !!

$900.00
100 Gallon Stainless Steel cone bottom tank on casters

$2750.00
OLIVER TABLE TOP TRAY LIDDER HEAT SEALER 54-093 LID DEL

$2295.00
20pcs. SWAGELOK B-8M0-7-4 BRASS FEMALE CONNECTROS, NIB

$20.00
Doboy - J-Wrapper-System Processor - P/N#446154-01D

$9.99
Brand New!! 8" Impulse Heat Sealer W/Warranty FREE KIT!

$18.99
PROPORTION AIR PSR-A VALVE , NEW

$20.00
O2 Rich Steam Generator and Controller with Cables

$1000.00
LEE 150 Gallon Stainless Steel Jacketed Kettle

$3500.00
5 pcs 1/2" M X F Mini Ball valves

$14.00
Mixed Lot 3/4"Stainless Sanitary Weld Fittings Ferrules

$25.00
DRAIN - ALL MODEL # 1700 SYSTEM NEW

$20.00
Branson Ultrasonic 947DA With 941AES Actuator Welder

$1800.00
Cougar Industries Rotary Vibrator - New

$175.00
HFA UNDER PRESS PARTS DIVERTER 14" X 14" OPENING

$50.00
WHITLOCK MATERIAL DRYER WITH DRYER CYLINDER

$300.00
1/8 PEACH MIRROR ACRYLIC PLEXIGLASS 12 x 18 SALE

$0.99
Marquip Roll Assembly 9626450

$290.00
Ossid 500sw High Speed Overwrap Tray Pack Machine

$1000.00