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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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PALL PHOTOKLEEN PHDC11H11B EZD3 DUMMY CARTRIDGE NEW JZ
$9.95
NICHOLS ELECTRONICS THERM O VAC VACUUM FORMING MACHINE
$261.88
Johnson Controls Penn V46AD-1 Pressure Regulator Valve
$15.99
UHMW repro black sheet 2 .75" x 7.5" x10.5"( 7.4#)
$23.99
Maxitrol Selectra Modulator M620B
$199.00
900 LITERS VESSEL TANK REACTOR STAINLESS LIGHTNIN MIXER
$12600.00
GC-56 APPLICATION ENGINEERING CORP M# TCW-1 WATER UNIT
$199.95
MARH FED CONTOUR MEASURING DEVICE MODEL: XC-10
$4100.00
Mcelroy Sidewinder Fusion Machine Welder ASW00111 "NR"
$203.80
Aercology Torrit dust collector model DMH500
$249.99
King Instruments 5 GPM-Liquid-Flow Meter .
$40.00
GC-7012 BRANSON 400ACT / 160 SONIC WELDER 400 SERIES
$999.95
Tescom Pressure Regulator 0-250psi
$70.00
(4046)BLACK ABS 1/16" THICK 24"X24" IN THIS SALE!!!!!!!
$3.50
Korsch Tablet Pill Press Pharmapress PH 800 PH800
$3900.00
Plastic Black ABS sheet (1 piece) NEW(#40)
$26.99
SPI-SPE MOLD FINISH COMPARISON KIT
$0.99
(1991)UHMW WHITE 1/4" THICK PLATE 15 1/2" X 48" IN THIS
$16.50
Day / Littleford Style Lab / Pilot Plant Mixer
$9500.00
SafeTnet GasTech Type 100 Gas Monitor Enclosure
$49.99
2006 HI-MORE ROBOT MODEL# CES-850SW FOR PLASTIC MOLDING
$3800.00
Bio Fuel Bio Diesel Packed Column Vtec
$19900.00
MONITOR LEVEL SENSOR ROTARY
$5.00
CLIPPARD MINIMATIC 4-WAY VALVE R421 NEW JZ
$9.95
Tescom Pressure Regulator 3500psi
$40.00
Dri-Air Arid-X10 HOPPERS DRYERS PLASTICS
$999.99
Patterson Kelly 10 CUBIC FOOT Twin Shell "V" Blender
$13500.00
PARKER VERIFLO VALVE 45700153 NEW JZ
$9.95
MD-2053 LIGHTNIN TYPE MIXER SS END IS 8 1/4"
$199.95
Dataphysics OCA 15plus Contact Angle System OCA-15+
$9500.00
Tescom Pressure Regulator 0-2500psi
$80.00
Cole Parmer Liqui-Sense Controller/Pump Monitor 77096
$99.99
Epicor Blowing Agent 753 Injection Molding Plastics
$39.99
Liquid Level Alarm for Drums
$140.00
Plastic Natural Nylon sheet (4 pieces) NEW(#44)
$20.99
Tescom Pressure Regulator 0-6000psi
$50.00
MD-2054 LIGHTNIN TYPE MIXER SS END IS 9 1/4"
$199.95
TransFuel 3 Wheel Mechanical Fuel Pump Flow Meter New
$49.99
4000 Gal PFAUDLER Glass Lined Reactor Tank w mixer
$39000.00
Industrial spin dryer, plating, dipping baskets plastic
$82.95
1/4 " SS ball valve
$12.50
CE Tyler Portable Sieve Shaker RX-24 include asst sieve
$1300.00
Tri-Clover 6" Spool 316L Stainless Steel Sanitary
$9.99
Lot of Swagelok Valves - Cylinders - PRVs - Tubes
$23.09
HEAT TRANSFER TEFLON/FIBERGLASS SHEETS
$29.95
200 Gal Delaval Jacketed Stainless Steel Tank w Mixer
$1900.00
New APOLO FP-250 Piston LIQUID FILLING MACHINE Filler
$1975.00
Branson Ultrasonic Welder Series 900 MDL 910 IW
$1899.98
UHMW virgin black rod 5" Dia x 5.5" (4.2)
$12.99
BOY 22S VV PLASTIC INJECTION MOLD PRESS 22 S
$3999.00
GC-67 APPLICATION ENGINEERING CORP M# TCW-1 WATER UNIT
$399.95
(1416)NOVUS PLASTIC POLISH KIT IN 2 OZ SIZE BOTTLES
$6.50
Montalvo - Model TCU-90 PID Web Tension Controller -NEW
$249.99
(4054)BLACK ABS 1/16" THICK 48" X 96" SHEET FOR SALE!!!
$24.00
1/16" BLACK NEOPRENE RUBBER SHEET - 33 FT X 36" WIDE
$87.50
ACRYLIC PLEXIGLASS MIRROR 12 X 12 in. paper mask
$11.95
Box of 50 Parker 120V STAINLESS Solenoid Valves SS New!
$499.95
ACETAL DELRIN LINESMAN TIE KIT 50 FT STRAP 20 LOCK HEAD
$0.99
MD-2052 LIGHTNIN MIXER
$199.95
1/8" BLACK NEOPRENE RUBBER SHEET - 17 FT X 36" WIDE
$87.50
New APOLO FP-100 Piston LIQUID FILLING MACHINE Filler
$1900.00
Plastic Black ABS sheet (1 piece) NEW(#41)
$23.99
3000 Gal PFAUDLER Reactor Tank w 20 HP Agitator Mixer
$42000.00
Weber LegiJet Inkjet Coding System
$600.00
Lot of 5 Tri-Clover Sanitary Tri-Clamps Fittings 1-1/2"
$49.99
BS-1038 K-TRON MFE-30218 30 KG SCALE W/ COPPER FEED
$199.95
1/4" BLACK NEOPRENE RUBBER SHEET - 8 FT X 36" WIDE
$87.50
EC-3213 VIBRATORY HOPPER W/ MAGATIC CONTROLS ECO50-0
$199.95
Alloyd 1SM 1428 Sealer
$2250.00
Tri-Clover 6" Tee 316L Stainless Steel Sanitary
$9.99
DuPont Zytel 101F Port 50 lb Bag Molding Resin 66PA
$39.99
Star Automation Servo Robot TW-1500 FM A+ Condition
$1700.00
Plastic Natural Nylon sheet (3 pieces) NEW(#42)
$20.99
Branson 20 kHz boosters for all 400 and 800 series weld
$9.99
CAMARO Inner padded Pillar post mouldings OER 69 BLACK
$34.99
MIXING STATION METERING PUMPS FLOW CONTROLLERS STIRRERS
$6400.00
(854)LEXAN CLEAR 1/4" THICK 24" X 48" PC IN THIS SALE
$38.00
Delrin virgin white sheet 1 x 6.5 x 23.75" ( 8.4 N)
$50.40
PLASTIC WELDING
$500.00
CL-5006 WESTFLO PRO IMF-0933 VALVE SIZE 6-600 PN 5
$199.95
Stainless Steel Static Mixer Inline In Line 1/2" New
$99.99
New Britain 175 Injection Molding Machine
$2500.00
LEATHER DISC'S ( BLACK ) 1/8" THICK X 1 .300 DIA.
$6.50
EC-3037 FABRI VALVE SIZE 6 C37R304 I.D 6" O.D. 8 1/2"
$199.95
Highly Polished Acrylic Plastic Sheets 1/4" x 14" x 14"
$0.25
NV-3011 NO 72 FILTER MAX WP 200PSI A395
$249.95
(4055) BLACK ABS 1/8' THICK 48" X 96" SHEET FOR SALE !!
$30.85
Clear injection grade Polycarbonate resin 1236 lbs.
$899.00
BRAND NEW NUPRO SWAGELOK MO# 6L-ELD8-CCXX BULKGAS VALVE
$15.00
15 Gallon 316 Stainless Steel Tank
$350.00
SEMCO PNEUMATIC SHOT METER w AUTOMATIC FEED NICE
$225.00
NUPRO BM SERIES BELLOWS VALVE SS-4BMG-VCR NEW JZ
$9.95
DRUM MIXER PAINT GLUE SS SHAFT AND IMPELLERS
$20.00
DOPAG Pressure Regulator 400.25.92.C 9276 P Max 250 Bar
$189.99
Automated Packaging Accu-Count Horseshoe Bagger System
$5999.00
Star Automation Servo Robot TW-1700 BM w/ Controller
$4000.00
2 Blocks of 2" Thick Nylatron
$20.00
(2057) BLACK SEABOARD 3/4" THICK 4PCS 8" X 11" FOR SALE
$2.00
Clear PETG Plastic sheets hobby plastic windshield RC
$18.99
Veriflo DIR600 High Pressure Regulator
$19.99