RAMANNA 10X20 Instruction And Service Manual Download | Manualshive

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RAMANNA ENTERPRISES

OFFICE ADDRESS- 3E/7 B.P , N.I.T

FARIDABAD, HARYANA.

INSTRUCTION / SERVICE MANUAL

FOR

PRECISION MANUAL SURFACE

GRINDER

MODELS - 7X14

9X14

9X18

10X20

12X24

15X30

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Summary of Contents for 10X20

Page 1: ...RAMANNA ENTERPRISES OFFICE ADDRESS 3E 7 B P N I T FARIDABAD HARYANA INSTRUCTION SERVICE MANUAL FOR PRECISION MANUAL SURFACE GRINDER MODELS 7X14 9X14 9X18 10X20 12X24 15X30 ...

Page 2: ...s 5 9 General Machine safety rules 5 Transit 6 Unpacking 7 Choice of site 7 Installation 8 Lubrication System Line Diagram 10 3 Grinding 12 4 Selection of suitable Grinding wheel 12 5 Preventive Maintenance 15 6 Trouble Shooting 15 7 Coolant Accessories and Fitting 16 8 Warranty Terms Conditions 18 ...

Page 3: ...3 1 Machine Parts Nomenclature Normal Machine ...

Page 4: ...4 Excello Type ...

Page 5: ...cting electrical sections of the machine insulating gloves rubber or leather boots and other non conducting protective items should be used Before starting up the wheel spindle motor first inspect the grinding wheel and check the turning direction of the wheel spindle After starting the wheel spindle motor let the grinding wheel spin freely for at least two minutes before starting to grind the wor...

Page 6: ...t use your hand or any other object to stop or slow down the grinding wheel During grinding and before the grinding wheel stops rotating after work is finished do not attempt to clean the shavings of the work piece or to move the work piece When taking off the grinding wheel use a flange remover to detach it Do not use any method that involves pounding the grinding wheel This could result in damag...

Page 7: ...the machine and the degree of accuracy of the components produced depend to a great degree on the correct choice of site for the erection of the machine The grinding machine are often found between milling shaping drilling and even slotting machine without any thought to the cons of such planning In such cases it is impossible to achieve good surface finish as the vibrations from the milling machi...

Page 8: ...ews as shown in the image below and remove the side cover After removing the cover move the cross slide to the right by rotating the handle clockwise so the oil pocket is visible Now add Castrol MAGNATEC 15W 40 Diesel Engine Oil only so that V guideway is completely dipped and there is a 2 3mm thick oil layer over the Flat guideway Reattach the side cover back and you are ready to use the machine ...

Page 9: ...ll strips sent along with the machine Do this for both the guide ways and place the magnetic slide down Electric Connection All our machines use 3 phase motors Make the connections to the starter and you are ready to use the machine Make sure the grinding wheel is rotation clockwise if not reverse the connections If coolant is along with the machine provide separate 3 phase connections to it ...

Page 10: ...10 Lubrication System Line Diagram For normal Machines ...

Page 11: ...11 For Excello type ...

Page 12: ...was too slow or the grinding wheel in clogged Undesirable burns and grinding cracks If burn marks and grinding cracks appear this means that the wheel is too hard or the wheel clogged 4 Selection of suitable Grinding wheel A grinding wheel is a self sharpening tool composed of discrete abrasive grains held together by a bonding agent with composite structure of many clearance allowance for the cut...

Page 13: ... the finish required GRIT SIZE Coarse grit for rapid stock removal as in rough grinding Fine grit for high finishing BOND Vitrified for precision cutting Resinoid or Rubber for high speed cutting Wet or dry GRADE Wet grinding as a rule permits use of wheels at least one grade harder than that of dry grinding without danger of burning the work The wheel speed BOND Standard vitrified wheels are not ...

Page 14: ... Aluminium Oxide C Silicon Carbide GC Green Silicon Carbide Coarse Medium Fine 8 30 70 10 36 80 12 46 90 14 54 100 16 60 120 20 150 24 180 Very Fine 220 Soft Medium Hard A B C D E F G H I J K L M N O P Q R S T U V W X Y Z Grade Scale B Resinoid BF Resinoid reinforced E Shellac O Oxychloride R Rubber RF Rubber reinforced S Silicate V Vitrified Dense 1 2 3 4 5 6 7 8 9 10 11 12 13 Open Etc ...

Page 15: ...cuts max 0 05 mm 6 Trouble Shooting In case any taper is observed in work piece check the magnet surface using dial indicator within 0 01mm full length of magnet If any surface damage or taper is observed grind the table slowly with light cuts max 0 05 mm In case vibration is observed dress the wheel Also check the spring tension of spindle after removing the wheel cover In case of any uneven move...

Page 16: ...16 7 Coolant Accessories and Fitting All Items for coolant Fitting First fix the drain channel to the machine body by 2 bolts as shown below ...

Page 17: ...lace the tray as shown below and fix it to its position by 4 bolts 1 at each corner Make sure the bigger splash guard is to your left Lastly push fit the back splash guard first small one and then the front splash guard big one as shown below Coolant fitting done ...

Page 18: ...ine has been used in a non industrial environment poor maintenance failure to observe operating assembly instructions or in case of any accident 4 For noise related complaints inform us immediately if the cause of noise is motor starter then it will be covered under warranty but for spindle bearing it will be covered only if the complaint is registered within first 3 months of warranty period 5 We...

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