Die Retriever - Nitta Corporation of America
Contents
1. NITTA CORPORATION OF AMERICA S 300R Belt Skiver User Manual 7605 Nitta Drive Suwanee GA 30024 e www nitta com e 1 800 221 3689 rev Jan 16 2008 g NITTA CORPORATION S 300R Belt Skiver User Manual Section 0 0 OF AMERICA i General Overview Project 2007 012 7605 Nitta Drive d Saf P Date 07 Suwanee GA 30024 and Safety Precautions Rev Date 1 16 08 1 0 General Overview and Safety Precautions MERECE S au T Page 2 12 E Page 3 2 0 Maintenance 2 1 Maintenance e TE Page 4 2 2 Sanding Paper Requirermierts arian Page 5 2 3 M nthly Ee AC Secor ates iam tote tti facto prie Page 5 24 Annual Matmtenanoe Page 5 2 3 Lubrication POLUlbs aeos ioo epa top RE Page 5 2 6 Chain and Belt Tensioning Adjustment esee Page 6 2 1 Belt Thickness AUJUSHUBIL iie peii Page 7 EE Nri ada MP Page 8 3 0 Commercial Parts List 3 1 S 300R Belt Skiver Commercial Parts List Page 9 4 0 Recommended Spare Parts 4 1 S 300R Belt Skiver Spare E Page 10 5 0 Endless Procedures PolyBelt 222222 1 Page 11 6 0 Skive Lengths and Splicing Page 12 Nitta Corporation of America www nitta com e 1 800 221 3689 Page 1 g NITTA CORPO2. RATION S 300R Belt Skiver User Manual Section 1 0 OF AMERICA j indie General Overview Project 2007 012 7605 Nitta Drive d Safety P e Date Apr 07 Suwanee GA 30024 and Safety Precautions Rev Date 1 16 08 1 1 General Overview This manual covers the basics of the S 300R Belt Skiver a special purpose portable skiving machine for preparation of endless belts between 0 5mm 7mm thickness up to 12 wide It uses a standard Makita 3 belt sander for the grinding operation The machine features a belt thickness adjuster with visual indicator a screw clamp for work holding a removable dust tray and a replaceable 4 sided Skive edge plate Belt clamp Belt sander Makita 3 width Chrome sliding shaft Belt thickness indicator Belt thickness adjustment handles Hand holes for transportation Electrical Requirements 120V 7 8A 50 60 Hz 400 m min Nitta Corporation of America www nitta com e 1 800 221 3689 Page 2 OF AMERICA 7605 Nitta Drive Suwanee GA 30024 and Safety Precautions General Overview Project 2007 012 Date Apr 07 Rev Date 1 16 08 g NITTA CORPORATION S 300R Belt Skiver User Manual Section 1 0 1 2 Safety Precautions It is imperative that all personnel operating and maintaining the equipment have the proper training on the fundamentals of industrial equipment as well as specifics covered in this manual Training s
3. a Corporation of America www nitta com e 1 800 221 3689 Page 5 OF AMERICA Project 2007 012 7605 Nitta Drive Mai Suwanee GA 30024 aintenance Date Apr 07 g NITTA CORPORATION S 300R Belt Skiver User Manual Section 2 0 Rev Date 1 16 08 2 6 Belt Thickness Adjustment Belt thickness indicator loosen clamp knob on left side of machine before rotating RH knob to desired position Numbers on frame correspond to overall belt thickness Loosen this side knob first then rotate Left Hand side knob until belt just touches steel skive bar with the sander in working position 19 11 2007 1 55 pm Nitta Corporation of America www nitta com e 1 800 221 3689 Page 6 v NITTA CORPORATION S 300R Belt Skiver User Manual Section 2 0 OF AMERICA 7605 Nitta Dri Project 2007 012 Mta INE Maintenance Suwanee GA 30024 da 2 7 Skiving Length According to Belt Thickness Measurements below shown in inches mm in parentheses Nitta Corporation of America www nitta com e 1 800 221 3689 Page 7 OF AMERICA Project 2007 012 7605 Nitta Drive Maintenance 27 Suwanee GA 30024 Date Apr 0 g NITTA CORPORATION S 300R Belt Skiver User Manual Section 2 0 Rev Date 1 16 08 2 8 Slide Lock Feature Fluted rim screw for locking do not over tighten Snug tight is adequate for holding unit
4. during transportation Nitta Corporation of America www nitta com e 1 800 221 3689 Page 8 g NITTA CORPORATION S 300R Belt Skiver User Manual Section 3 0 OF AMERICA e P i zc DUNS Commercial Bill Project 2007 012 Date Apr 07 Suwanee GA 30024 of Materials Rev Date 1 16 08 3 0 COMMERCIAL PARTS LIST 3 1 S 300R Belt Skiver Commercial Parts List Nitta Corporation of America www nitta com e 1 800 221 3689 Page 9 g NITTA CORPORATION S 300R Belt Skiver User Manual Section 4 0 OF AMERICA Recommended Project 2007 012 7605 Nitta Drive S P Date Apr 07 Suwanee GA 30024 pare Parts Rev Date 1 16 08 4 0 RECOMMENDED PARTS 4 1 S 300R Belt Skiver Spare Parts This list contains all major commercial items used on this equipment We recommend the customer review this list to determine what parts may already be stocked Quantities are to be used as a suggestion only Nitta Corporation of America www nitta com e 1 800 221 3689 Page 10 NITTA CORPORATION S 300R Belt Skiver User Manual Section 5 0 Endless Procedures Project 2007 012 OF AMERICA 7605 Nitta Drive Suwanee GA 30024 PolyBelt Date Apr 07 Rev Date 1 16 08 5 0 ENDLESS PROCEDURES POLYBELT Skiving You may use any type of skiving machine to skive Nitta Poly flat drive belts Regardless of the type used disc drum or band sander or a very sharp rotary knife skiver you must carefully skive both belt ends with equal leng
5. hould include instructions on the potential hazards of entanglement in the machinery caused by items such as long hair loose clothing and jewelry A copy of this manual must be available at all times to operators Always unplug equipment before making any adjustments or changing cy ret in operation icons tara af pce Maintain good housekeeping practices by cleaning up belt debris and other materials around linear slide and deck Nitta Corporation of America www nitta com e 1 800 221 3689 Page 3 g NITTA CORPORATION S 300R Belt Skiver User Manual Section 2 0 See ipei Project 2007 012 Maintenance gt Apes Rev Dalei 116 08 2 1 Maintenance Procedures Precautions in the design of this system ensure maximum safety during the operation of machinery Only authorized experienced personnel should perform any maintenance work on this equipment The personnel operating and maintaining the equipment must follow plant safety operating procedures for the equipment and emergency procedures to minimize the chance of injury Any changes or modifications to NITTA s equipment without the consultation and written permission of NITTA could cause serious damage to the equipment and will automatically void all warranties and liabilities Equipment maintenance consists of inspection ensuring tightness of fittings and components replacement of worn components and cleaning to ensure smooth operation of linear
6. ond Belts Without Rubber Covers Trim off any feathered edge of the cover With a brush or spatula apply a very thin uniform coating of Polybond A solution over the entire surface of both skived belt ends Allow to dry for approximately 3 minutes due to heat and humidity and place in belt press at 212 F 230 F for indicated time Belt Types With Rubber Covers With a brush or spatula apply a thin uniform coating of Polybond A solution to only the nylon core and the fabric layer of both belt ends Care must be taken not to spread any of the A solution on the rubber surfaces Allow to dry for approximately 3 minutes due to heat and humidity Using a separate brush apply a thin even coating of Polybond E to rubber surface only of both skived ends of the belt Immediately after applying the Polybond E solution place belt ends in press Match belt ends using match line clamp ends and tighten press If using a preheated press allow belt to remain in press for time indicated in preceding pages If starting from a cold press allow enough additional time for the press to reach pressing temperature After the indicated press time the press should be disconnected or turned off and the belt allowed to cool in the press until it reaches room temperature If desired the belt may be removed from the press while still hot however extreme care must be taken that the splice is not subject to bending twisting or tension The splice may be cooled b
7. slide Belt clamp Belt sander Makita 3 width Belt thickness indicator 1 dia sliding shaft Belt thickness adjustment handle Access hole for hands with octagonal cam inside Nitta Corporation of America www nitta com e 1 800 221 3689 Page 4 g NITTA CORPORATION S 300R Belt Skiver User Manual Section 2 0 ta Bee edi Project 2007 012 Maintenance gt Apes SES Ges 11698 2 2 Sanding Paper Requirements e 50 Grit light duty and thinner belts e 36 Grit medium duty e 24 Grit heavy duty and thicker belts 2 3 Monthly Maintenance e Maintain good housekeeping practices by cleaning up belt debris and other materials from the linear slide and table areas e All guards have been placed to provide protection against hazardous moving parts Replace any guards removed for maintenance work e The steel skive edge is considered a consumable item and will require replacement periodically The skive edge bar is symmetrical in shape and can be rotated to offer 4 edges before requiring replacement Remove the 4 flat head bolts mounting the plate and rotate 90 degrees to new edge Repeat as required 2 4 Annual Maintenance This equipment does not require scheduled annual maintenance beyond visual inspection for loose or worn components e Replace damaged parts as necessary 2 5 Lubrication Points e This equipment does not require lubrication Nitt
8. th and angle skives A square 90 splice is satisfactory An angle of 30 60 from the belt edge is commonly used if a diagonal splice is preferred However the angle of the splice is often dictated by the width of the belt the length of the skive and the platen size of the belt press being used After skiving if necessary carefully trim the feathered ends of the belt Be careful not to trim back so far that ends are blunt For a smooth quiet running splice the ends should be tapered to a fine edge skived ends of the belt should be matched so that the skived faces of the nylon cores mate perfectly across the face of the belt and the edges of the belt are square with no dog leg When sure that the splice is matched and square draw a line across the belt at the feathered end of the top skive This will allow you to quickly and surely match the belt ends after applying bonding solutions and eliminate the possibility of mixing the two solutions Matching Before applying the Nitta bonding solutions the Cleaning Before applying the bonding solutions be sure that the skived areas are free of any dirt grease or oil by cleaning with perchlorethylene tricholorethylene or Rubber alcohol Allow to dry thoroughly before applying bonding solutions Joint Belts Without Rubber Covers Types SG TAIR TTA and KSG belts use only Polybond A solution Do not use excessive amounts of solutions Too much causes a weak b
9. y using steel plates clamped to each side of splice or by a fan DO NOT USE WATER After the belt is cool any rough edges should be sanded smooth Solutions After use the Polybond A solution should be tightly resealed and stored in a cool dark area Any remaining Polybond E solution should be discarded once exposed to air it loses ifs effectiveness Belt Press It is advisable to clean any residue from the press while still hot Use a spatula or putty knife Nitta Corporation of America www nitta com e 1 800 221 3689 Page 11 OF AMERICA 7605 Nitta Drive ni Suwanee GA 30024 Splicing Conditions Skive Lengths and Project 2007 012 Date Apr 07 Rev Date 1 16 08 v NITTA CORPORATION S 300R Belt Skiver User Manual Section 6 0 6 0 SKIVE LENGTHS AND SPLICING CONDITIONS Belt Type Splicing Solutions Nylon Type Pressure Polybond Type Nylon Rubber 20 40 212 230 100 110 20 Note 25psi 200kPa For a specific belt type s conditions and instructions please contact your sales rep or Nitta s technical department Please contact Nitta with any questions Nitta Corporation of America e www nitta com 1 800 221 3689 Page 12
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