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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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OMS LOW LEVEL Bottle Depalletizer
$19500.00
EC-3046 JEL 879 AIRLOCK W/ MOTOR AND GEAR DRIVE
$499.95
60 HP Dual Shaft Disperser Myers DISSOLVER 550E-60-60
$20000.00
Clear Plexiglass Acrylic Sheet 1/4" x 30" x 24" covered
$24.99
GC-7008 FLOYD DRIVES CONSTANT TENSION PAY OUT MODEL MD4
$599.95
75 Gallon Stainless Mixing Tank Double Motion Agitator
$675.00
1/4 HP Mixer Nettco Corp. clamp mount process mixer
$450.00
SV-520 521 MATERIAL FEEDER ??? 2 PCS WITH ACTUATORS
$299.95
+GF+ 3" CPVC BALL VALVE ,NEW
$30.00
Groen Model N50 50 Gallon Stainless Steel Kettle
$1800.00
Noryl Polyphenylene Sheet .625" x 12" x 14"
$42.31
2 VMA-GETZMAN DISPERMAT Laboratory Dispersers
$5000.00
1 1/2" TEFLON SANITARY GASKETS - NEW- LOT OF 25 PCS.
$8.99
1 1/2" TEFLON ENVELOPE SANITARY GASKETS - NEW- 23 PCS.
$8.99
2pcs. UNITED ELECTRIC J402K 456 FLOW SWITCHES , NEW
$20.00
Hamilton 30 Gallon Stainless Steel Kettle
$1800.00
Filter Housing, Pall Trinity 316L SS Cartridge
$250.00
BUTTERFLY VALVE 2" LUG NEW; IRRIGATION PLUMBING PROCESS
$42.18
1 " TEFLON ENVELOPE SANITARY GASKETS - NEW- 18 PCS.
$6.99
24 x 48 red flate sheet acrylic
$30.00
HEDLAND FLOW METER , USED
$25.00
2,250 Gallon Stainless Steel Tanks, 7' diameter x 7' 6"
$5977.00
Filter Housing by Millipore
$0.99
500 Gallon Stainless Steel Tank
$1100.00
1/4 HP Single Phase Mixer, 115/230 volt NETTCO
$500.00
MUELLER 1/2" Y STRAINER BRONZE BRASS 150 W/.045 SCREEN
$2.99
250-gal jackected staninless steel mixing tank.
$0.99
Ultem 2300 Round Rod 1.25" dia. x 12" long
$19.80
2pcs. UNITED ELECTRIC J302 PRESSURE CONTROLLERS ,NEW
$25.00
1 1/2" SS 316L SANITARY FERRULE / BARB - NEW ON CARD
$8.99
BATTENFIELD Injection Molding Machine 50 Ton Press
$1800.00
1" VITON SANITARY GASKETS - NEW- LOT OF 25 PCS.
$7.99
3pcs. ANDERSON GREENWOOD M25VIS-44 316 SST GAUGE VALVE
$38.00
PD-104 ROLLS ROYCE ROB-17-5A 3 GUDE, INLET 150
$499.95
1,500 Gallon 304SS Tank
$14770.00
Newbury Vertical Molding Machine 30 Ton V430ARS
$6000.00
500 Ga Batch Tank W/ DC Driven Mixer, Smaller Xfer Tank
$300.00
Watlow Cylinder 460v 100KW 700-970e326 Oil Heater
$1950.00
PT42248 Lot of 7 Veriflo Parker Pressure Purge Valves
$39.99
2pcs. GEMS FS-10798 BRASS FLOW SWITCHES ,NIB
$30.00
Mix Miser 3 Plastic color concentrates Feeder NEW!
$1100.00
Noryl Polyphenylene Sheet .750" x 8.5" x 14.5"
$44.34
6 1/2 Gallon Stainless Steel Tank Pot
$250.00
Semitron ESd 225 Acetal Sheet .500" x 12" x 24"
$85.60
200 Gallon Stainless Steel Jacketed Tank
$2250.00
YOKOGAWA YFA11 VORTEX FLOW CONVERTER ,NEW
$66.00
GC-7002 CONAIR 14010801 METALOUT, 115V
$499.95
NEOPRENE MATERIAL,WET SUIT MATERIAL,CAMPING MAT
$12.62
HEAT TUNNEL for Neck Bander or Sleeve Labeler Stainless
$3500.00
7pcs. DWYER VFA-3 VISI -FLOAT FLOW METERS ,NIB
$20.00
Diagraph LA/1000 Labeler, Label Applicator
$1200.00
Used Twin City Fan & Blower Size 245 Type BCV 7.5HP
$500.00
EC-3045 JEL 879 AIRLOCK W/ MOTOR AND GEAR DRIVE
$499.00
2" SILICONE SANITARY GASKETS - NEW- 21 PCS.
$7.99
Plastic Resin, Black Nylon RTP ESD C 203H High Impact
$3000.00
Noryl Polyphenylene Sheet 2" x 6" x 9"
$39.77
MASS FLOW METER WITH TRANSMITTER - MICRO MOTION
$440.00
Noryl Polyphenylene Sheet 1" x 12" x 19"
$87.65
Mini-Weld Model 6 Airless Plastic Welder URE-5600HT
$125.00
3200 Gallon Glass Lined Tank Pfaudler Inc
$3000.00
Whitlock WD Dehumidifying Dryer
$2200.00
NO RESERVE Worthington 5 Hp Centrifugal Pump 3" x 2"
$99.00
2 Carlyle R502 Freon 30 Hp Compressors with Condensors
$2500.00
1 1/2" STAINLESS 3-WAY VALVE TRI CLOVER TYPE
$4.00
Wastewater Treatment Plant System 100 GPM
$150000.00
Seal-A-Tron S-2222 L-Bar Sealer, 2 available
$1200.00
BALL VALVE APOLLO 3/4" NPT SS 2000# STD PORT 154IN
$18.04
1 1/2" SILICONE SANITARY GASKETS - NEW- 25 PCS.
$7.99
10 HP Air Compressor, Mfg. Quincy, Model 370-10
$2177.00
1 " SILICONE SANITARY GASKETS - NEW- 24 PCS.
$7.99
Van Dorn Demag, 80 ton Rotary Table
$25000.00
EC-3044 JEL 879 AIRLOCK W/ MOTOR AND GEAR DRIVE
$499.95
2" tri-clover cross w/blank cover & more
$3.50
APV Plate and Frame Heat Exchanger TITANIUM PLATES
$4500.00
1" TEFLON SANITARY GASKETS - NEW- LOT OF 21 PCS.
$7.99
CLAMP CYLINDER ROD 28-3/4"LONG OVERALL SEE SPECS BELOW
$189.00
NICE AEC Nomad PDQ3 100 Lbs/hr cfm Dryer 400 Lb Hopper
$5500.00
Dyco Automatic Bagger / Packer EXCELLENT CONDITION !!
$55000.00
Plastic-White Delrin/Acetal Rod 1/2" diameter, bushings
$2.75
Tube & Shell Heat Exchanger 8" Dia x 60" Long
$200.00
Amonnia Receiver Serge Storage Tank 32" Dia x 72" Long
$1000.00
BS-1023 JERGUSON MAGNICATOR II M II H-SF LEVEL GAGE
$499.95
BUTTERFLY VALVE 4" WAFER IRRIGATION PLUMBING PROCESS
$69.23
Lee Metal Products model 20D Stainless Steel Kettle
$1800.00
GC-7007 GATTO 210-6P BELT PULLER 460V,1PH, 5.3 KVA
$2949.95
24" roller sorter
$350.00
12" Impulse Hand Sealer with Cutter Heat Seal Bag + Cut
$99.00
GENERAL EASTERN MMY30-R1A1G FLOW METER ,NEW
$35.00
WELCH DuoSeal two stage Vacuum Pump
$750.00
AIS Semi-Automatic Bagger / Packer EXCELLENT !!
$24500.00
Blue-White F-50500LNA Flowmeter 0.5 - 5GPM
$50.00
NEW ISHIDA HEAT AND CONTROL UNIT
$1000.00
Stainless Braided Hose-1.5" Sanitary Ends-12" Long- NEW
$24.99
Motan Luxor Bin Model DE100-4
$59.98
Industrial Flow water jet
$25000.00
THREE 3 ROLL MILL 6"x12" Production Model, New
$8900.00
Yokogawa Admag Magnetic Flowmeter AM115AG
$199.99
GC-7001 NOVATEC MD-25 / MD- HOPPER 460V,1PH, 2.2 KVA
$499.95
CE-1006 CAPITOL TEMPTROL 1500W/NF CHILLER PUMP HP 3
$799.95
ZEP Model 5199 Filter Cartridges 900402 - NEW
$10.00