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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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4 oz. Can IPS Weld-On # 4 ABS Acrylic Cement Weldon 4
$9.90
VERY NICE BRY-AIR SYSTEMS DESICCANT DRYER MODEL RM-200
$2990.00
Plastic molding nozzles tips
$95.00
TWIN SHELL DRY BLENDER Patterson Kelly 5 cu ft lower $
$4500.00
DVD: Making Parts, Patterns, Tools, & Molds
$8.95
ONE SET PROTEUS INDU.FLOW METER W/3 ASCO SOLENOID VALVE
$19.99
Eagle Urethane Belting Kit
$53.00
MIXER - DISPERSER
$12000.00
Black Delrin/Acetal Rod 1/4" diameter, bushings(2 feet)
$3.99
Charles A Hones 160 Gas Metal Melting Furnace Melter NR
$899.99
40 Cu ft Twin Shell Vertical Blender - Patterson Kelley
$7500.00
Polypropylene plastic sheet 3/4" thk 1pc 36.25" x 21.5"
$15.51
RUBBER SHEET ROLL STRIP MAT GASKET STAMP PAD 6" X 48"
$4.99
2" Sanitary Fittings X 2" NPT Stainless Steel Adapters!
$37.25
Never Used Astro-Med QuickLabel Systems Label Rewinder
$199.00
Plastic Rod Stock 1.25'' dia Nylon 6/6
$15.50
Korsch Pharmapress 230 PH230 Tablet Press -- Working
$610.01
Sullair Rotary Screw Industrial Air Compressor
$10000.00
Vacuum dye tester ASTM D3078 leak tester
$950.00
acrylic tubing 25 peices total 5-6" diameter
$5.00
(1903)PHENOLIC 3/16" THICK BLACK XX PAPER 2 PCS 12"X48"
$10.00
10 SHEETS OF .093 OPTIX ACRYLIC SHEETING
$9.99
Hot Runner heating elements Synventive Kona
$320.00
New TABLETOP PACKAGING Liquid Piston Filler 100-1000ml
$2592.00
Tri-Star Technologies PT-2000P Plasma Treatment System
$995.00
Chargepoint split butterfly valves powder systems (8)
$32000.00
3,100 Gallon Stainless Steel Tank
$8700.00
Induction cap sealer Pillar 2k watts
$1150.00
FILTER/REGULATOR ASSEMBLY FOR VIDEOJET PRINTER USED
$69.95
1/4 Tube Bulkhead Union SS Swagelok 5ea. SS-400-61
$30.00
Dominick Hunter Breathing Air Purification System
$0.10
3/8" Tube Union Elbow Brass Parker 5ea.
$9.99
Milacron 3-542-1292A
$245.00
Plastic Rod Stock 1'' dia Ultem 1000 Natural
$10.00
Repair Kit:Teflon Cover & Wire for 12" Impulse Sealer
$8.95
Baldor 15 HP Water Sanitary Irrigation Pump W/ControL
$999.99
TOLEDO DIGITAL SCALE MEAT WRAPPER GROCERY
$249.99
Oxequip Oxygen Flow meter slightly used excellent
$9.95
Meter Flow BAILEY&FISCHER PORTER Magnetic Nitrogen(new)
$9.99
Oil skimmer coolant separator 12"
$175.00
New Holland Centrifual Dryer Model K-11
$750.00
300 Gal Stainless Steel Tank with Agitator Mixer in NJ
$3690.00
125 Gal Live Bottom Vibrascrew - Vibrating bottom tank
$2750.00
Mass flow control Hastings Sensotec Transducer
$290.00
Bactron II Shel Lab Anaerobic Chamber 17 cu. ft. 120v
$2500.00
(5) Swagelok New SS-810-2-8, ½” Elbow
$38.00
REDUCED! GRANULATOR GRINDER drum type 25 hp stainless
$3570.00
Drilled Plexiglass Tower for Water4gas Mason Jar
$8.99
GE 6600 V Volt Volts High Voltage 11.2KVA Transformer
$499.99
6,200 Gallon Stainless Steel Tank
$12500.00
Reduced! 25 H.P. Lightnin Mixer/Flanged Stub Shaft.
$3770.00
1" x 36" BRAIDED STAINLESS STEEL FLEX HOSE
$54.00
Lot of 36 Tri Clover Stainless Steel Clamps
$24.99
DVD: Making Parts, Patterns, Tools, & Molds
$8.95
Hoppman centrifugal feeder unscrambler FT/40
$3750.00
Polysonics ultrasonic flow meter with accessories NR!!!
$499.00
FMSI Axial Turbine Flowmeter FM-16M50-L142 JIC-16M NEW
$100.00
Endress + Hauser Flow Computer
$55.00
(5) Swagelok New SS-600-1-8, 1/2" Male Connector
$11.00
1991 SPIRAX SARCO MANUAL, DESIGN OF FLUID SYSTEMS STEAM
$3.99
Milacron 3-542-1194A CMDCI
$190.00
Brabender Feeder, Model FW40PLUS
$3777.00
White Delrin/Acetal Rod 1/4" diameter, bushings(1 foot)
$2.20
endress hauser chemical analyzers probes transmitters v
$650.00
Meter Flow BAILEY&FISCHER PORTER Magnetic Nitrogen(new)
$9.99
5,000 Gallon Firberglass Tank 10' Diameter x 7' Side
$1497.00
Used Eclipse 3" Manual Reset Gas Safety Shut off Valve
$0.99
Plastic Rod Stock 3'' dia Kynar PVDF
$15.00
Daikin chiller PCB AKZ306 DHA00794F
$380.00
SANDWICH SEALING MACHINE PACKAGING SHRINK WRAPPER
$2499.99
Gemco conical blender stainless sanitary 16 qt
$4950.00
1200 Gal Stainless Steel Tank w Agitator Mix & Filter
$5700.00
Reduced! 25 H.P. Lightnin Mixer/Flanged Stub Shaft.
$3770.00
Macofar capsule filler MT-20
$8500.00
9oz jar filling line
$75000.00
Package leak tester Wilco Wilcomat PLC
$1250.00
Lexan Polycarbonate 1 pc 1/4 x 11-3/4 x 13-1/2
$5.99
Automated Volumetric Weigh Loader
$15000.00
MICRO MOTION (F200S418CCAAEZZZZ )
$500.00
Koch Ilpra Cup Tray Portion Sealer
$10000.00
27,000 Gallon Stainless Steel Tank
$39750.00
1/8" ABS PLASTIC (6 pcs ) Blk Texture, 8 x 15-7/8
$10.01
Milacron VL-1650 Large Molding Machine 1993 w/ Robot
$80000.00
12 ABS plastic sheet sheets car audio interior finish
$21.99
3/8" Tube Union SS Swagelok 4ea. SS-600-6
$20.49
1/2" Tube x 3/4 mnpt Brass Male Connector Parker 4ea.
$9.99
Repair Kit: Teflon Cover & Wire for 8" Impulse Sealer
$6.95
Hydrogen Generator Tube Extruded Clear Acrlic
$10.00
(3) Vacuum loaders , una-dyn protec mann hummel 7.5 hp
$5650.00
Lot of 32 Tri Clover Stainless Steel Clamps
$24.99
Plastic Rod Stock 1.5'' dia PET Natural White
$25.00
Plastic Rod Stock 1'' dia Ultem 2300
$10.00
1/8" Tube Union Tee Swagelok SS-200-3 4ea.
$24.99
STREAM FEEDER
$950.00
Package leak tester Wilco Wilcomat
$850.00
Crucibles: Assaying, Smelting, Jewelry, Silver & Gold
$40.00
Injection Mold Base
$500.00
Label Aire 2138 Label Maker Zebra170 printer applicator
$1999.99
0.187 Clear Cell Cast Acrylic Plexiglass 24"x25" Sheet
$9.99
Clear injection grade Polycarbonate resin 1236 lbs.
$899.00