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7ML19985JD01

Test Chain – INSTRUCTION MANUAL

Page 5

Chain Position and Restraints (cont’d)

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Test Chain.book Page 5 Tuesday, April 19, 2005 9:34 AM

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Содержание milltronics TEST CHAIN

Страница 1: ...Instruction Manual April 2005 TEST CHAIN milltronics ...

Страница 2: ...urage users to purchase authorized bound manuals or to view electronic versions as designed and authored by Siemens Milltronics Process Instruments Inc Siemens Milltronics Process Instruments Inc will not be responsible for the contents of partial or whole reproductions of either bound or electronic versions While we have verified the contents of this manual for agreement with the instrumentation ...

Страница 3: ...d Features 3 Double Roller Bushed Test Chain 4 Chain Position and Restraints 4 Chain Position and Restraints cont d 5 Chain Reel 6 Location 6 Reel Size and Compartment Diameters 6 Standard Motorized Test Chain Storage Reel 7 Reel Horsepower 8 Test Chain and Reel Selection 9 Installing Test Chain and Reel 10 Installation Guidelines 10 Operation Guidelines 11 Maintenance 12 Test Chain 12 Storage Ree...

Страница 4: ...ii ...

Страница 5: ...ubs smpi siemens com For a selection of Siemens Milltronics weighing manuals go to www siemens com processautomation Under Weighing Technology select Continuous Weighing Systems and select the manual archive listed under the product family 1 This symbol is used when there is no corresponding caution symbol on the product WARNING relates to a caution symbol on the product and means that failure to ...

Страница 6: ...cale loading of a known weight value and thus supplying the calibration reference Advantages The roller test chain simulates live material loading by causing the belt s structure to deflect in much the same manner as when material is present A much greater test load can be applied to high capacity belt scales and weighfeeders because most weighbridge designs can only accommodate a limited number o...

Страница 7: ...0 cold rolled steel End Shackles are fitted with Eye links for attachment of wire rope Rollers are made from C1010 hot rolled steel Roll bars Cotter pins are made from 304 stainless steel Connection links are retained by stainless steel roll bars A brass plate bearing the calibrated weight in lb ft or kg m is fixed to the end shackle The chain is sprayed with a rust inhibitor Nickel plated chains ...

Страница 8: ...to ensure proper and safe usage Restraints should do the following Be attached to the chain at one end and fixed to posts mounted to each side of the conveyor at about one belt width from the end of the chain Form a V shape when viewed from above Cross over and clear the belt edges by approximately one to two inches 2 5 to 5 0 cm Tension in the restraints should Prevent chain movement along the be...

Страница 9: ...raints cont d 3 X 3 7 5 X 7 5 cm mill angle 3 X 3 7 5 X 7 5 cm mill angle eye bolt chain chain heavy duty hook heavy duty hook load binder load binder cable pulley eye bolt equal length cable belt width 5 x idler spacing belt width idler spacing 1 5 38mm eye bolt turnbuckle ...

Страница 10: ...or the calibration process Reel Size and Compartment Diameters The size of the reel is determined by the requirements of the specific conveyor application and the selected chain loading The width of the conveyor 18 46 cm through 72 183 cm belt conveyor its incline and its general construction determine the reel cross member length and section sizing for that member Compartment disc diameter is det...

Страница 11: ... 10 25 4 cm X 20Lb ft or kg m equiv 30 76 2 cm X 3 7 62 cm X 25 63 5 cm by Siemens Milltronics by customer conveyer stringer connecting bracket by customer 12 25 31 1 cm 21 53 3 cm 13 25 33 7 cm belt line 23 5 59 7 cm to suit 23 5 59 7 cm Eyebolt 2 req d Spae Naur EYB 14 or equiv gusset by customer D dimension to centerline of belt scale 42 106 5 cm dia disc typ ...

Страница 12: ... curved slide plate is welded to a cross member to prevent chain snagging at the cross member Reel Horsepower Motor horsepower varies with application loading and are available in 0 75 1 1 5 2 3 and 5 Of primary concern is the ability of the reel to handle the total test chain weight and the associated forces needed to pull the chain along the belt and up the reel The gear motor horsepower is base...

Страница 13: ...ger chain is selected from the chart of available test chains The value selected is equivalent to 104 kg m 70 lb ft Test Chain design size is based at 62 5 belt loading The length is based on the idler spacing The test chain should extend no less than two fixed idlers beyond each end of the scale mounted idlers Nominal chain length of scale idlers 3 idler spacing 1 3 1 4m 13 ft Chain Load Horsepow...

Страница 14: ...er line of the belt and that it will clear the maximum material bed depth anticipated for the application Material loads should not come in to contact with any portion of the storage reel Installation Guidelines A 30 foot 9 14 m length of stainless steel wire rope is supplied with clips One end of the cable is attached to the test chain shackle The other end is attached to the spool piece of the r...

Страница 15: ...uidelines 1 Using the control station lower the test chain onto the conveyor belt Spread the test chain out until it spans across the weigh idler suspension two idlers from the approach side to two idler on the retreat side of the weigh suspension This is often referred to as the A2 approach idlers to R2 retreat idlers Refer to Chain Position and Restraints on page 4 2 Secure both ends of the test...

Страница 16: ...nks and rollers are free to move on shafts Replace broken or missing retaining pins Ensure wire rope anchoring cables are not frayed or twisted Ensure clips are tight on the cable Lubricate the chain with light machine oil to prevent rusting and ensure safe and free movement Either submerge the chain in a oil bath or spray with common lubricants or rust prohibitor Place a hood or cover over the st...

Страница 17: ...x must be obstruction free This assembly in whole or in part must never be used for anything other than its intended purpose Test Chain Mass without shackles Lb or Kg Length stretched reference from center of first roll to center of last roll Ft or M Roller Pitch from technical data Ft or M Weight of 1 link Lb or Kg Mass weight of 2 links Stretched length 1 Pitch Lb ft or Kg M Chain Length Ft or M...

Страница 18: ...Notes ...

Страница 19: ......

Страница 20: ...ltronics Process Instruments Inc 1954Technology Drive P O Box 4225 Peterborough ON Canada K9J 7B1 Tel 705 745 2431 Fax 705 741 0466 Email techpubs smpi siemens com Siemens Milltronics Process Instruments Inc 2005 Subject to change without prior notice Printed in Canada ...

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