PARKEN ENGINEERING MK127var1 Operating And Maintenance Instructions Manual Download Page 5

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PARKEN ENG. EQ. CO. P/L

Belt speeds for offhand grinding

Material

Belt speed meters/sec

steel

Cast steel

Stainless steel

Aluminium

40 when using coarse belts

Aluminium

34 when using fine belts

Brass

Titanium

13.5

Glass

25 silicon carbide

Glass

39 diamond

Rubber

Stone

Cobalt

25 when using coarse belts

Cobalt

19 when using fine belts

Magnesium

PARKEN

ENGINEERING EQ. CO. P/L

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127var3mf.doc12/15/11

Summary of Contents for MK127var1

Page 1: ...PARKEN ENG EQ CO P L Parken Engineering Abrasive Belt Roll Grinder MK127var1 Operating and Maintenance Instructions PARKEN ENGINEERING EQ CO P L 1 15 127var3mf doc12 15 11...

Page 2: ...PARKEN ENG EQ CO P L PARKEN ENGINEERING EQ CO P L 2 15 127var3mf doc12 15 11...

Page 3: ...mond belts where surface speeds of 10 000 surface ft per minute are used Features Belt capacity 100mm wide x 3353mm long Power 11kw Surface speed 500 meters minute infinitely variable to 3050 meters m...

Page 4: ...val rate Belt grade Extra heavy 12 16 20 Heavy 20 24 30 36 40 Medium 50 60 80 Light 100 120 150 A160 A130 Medium Polishing 180 220 240 A100 A80 A65 Light Polishing 280 320 360 400 500 600 A45 A16 A6 P...

Page 5: ...tainless steel 34 Aluminium 40 when using coarse belts Aluminium 34 when using fine belts Brass 38 Titanium 13 5 Glass 25 silicon carbide Glass 39 diamond Rubber 23 Stone 35 Cobalt 25 when using coars...

Page 6: ...wheel assembly weight 2563 sq mm piston area Belt type Kpa for 100mm wide belt At pressure gauge Silicon carbide fabric backing 310 Kpa max Flexible diamond 430 Kpa max PARKEN ENGINEERING EQ CO P L 6...

Page 7: ...t direction workpeice speed 0 5 1 6 met sec traverse rate 10 25 of belt width per rev contact wheel 90A plain faced or high land to groove ratio grinding 65A plane faced polishing coolant water with r...

Page 8: ...Dressing of contact wheel a Grind a work roll approx 200 mm long b Fasten a piece of 80 grit silicon carbide abrasive to ground surface c Switch on contact wheel at maximum speed d With work piece lo...

Page 9: ...ately 3 amps over idle on first couple of passes 4 Infeed at either end of work roll 5 Limit the travel to enable contact wheel to come off roll by no more than 1 3 contact wheel width 6 For abrasive...

Page 10: ...ical control cabinet 5 Undo coach screws holding the roll grinder in container 6 Using lifting bracket provided remove roll grinder from container base 7 Undo screws holding machine to box section 8 M...

Page 11: ...to supply motor from control box See notes in enclosed Drive booklet 7 The pressure switch at the air filter regulator unit prevents operation of motor until belt is tensioned Pressure switch must be...

Page 12: ...O P L PARKEN ENGINEERING EQ CO P L 12 15 127var3mf doc12 15 11 Remove bridge to connect pressure switch between terminals 1 2 Connnect motor to Terminals U V W Connect supply here Connect EARTH Option...

Page 13: ...Grinding problems and there cure problem Harder wheel Softer wheel Dress contact wheel Glazing or dulling Slow cut Too aggressive Chatter Burning Dubbing of edges PARKEN ENGINEERING EQ CO P L 13 15 1...

Page 14: ...dard bearing grease at the grease nipples located above spindle housing 2 keep area around machine clear of obstructions 3 clean area inside contact wheel daily as any buildup of swarf will cause bala...

Page 15: ...O P L 3 clean area inside contact wheel daily as any buildup of swarf will cause balancing problems and as a consequence bad surface finish PARKEN ENGINEERING EQ CO P L 15 15 127var3mf doc12 15 11 vie...

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PARKEN ENGINEERING MK127var1, Operating And Maintenance Instructions Manual

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