cvc module 1 · 2018. 9. 12. · chains up to 45,000 lbs breaking load. however, over 45,000 lbs...
TRANSCRIPT
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Module 1 – Basic facts about Chain
Conveyor / Engineered Chain
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� Used for conveying product between locations.
� Transmission roller chain tends to be sized by pitch (see Roller chain module 1) conveyor chain tends to be initially sized by it’s breaking load
� There are numerous different pitch sizes per breaking load ( i.e. 2 inch , 3 inch ,6 inch etc , etc)
� Hollow and solid pin designs are available on chains up to 45,000 lbs breaking load. However, over 45,000 lbs only solid pin is available.
Conveyor Chain
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Standards
There are no major global standards for conveyor chain as there are with the BS and ANSI on Transmission chains
The Main European Standards are :
ISO - European standard (M and MC) used little worldwide but increasingly in Europe
BS - UK ( Mk 1 Renold) standard
DIN - German standard (FV Series)
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Components
Bushes� Curled or turned� Deep Case hardened
Bearing Pins� Hollow pins curled or turned� Solid pins turned or headed � Deep Case-hardened � Parallel, Shouldered or flatted ends
As with transmission chain, the conveyor chain is made up of 5 basic components:
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Components
Rollers � Sintered or turned� Case-hardened or through-hardened� Special materials and heat
treatment options.
Plates� Pressed � Heat treatment options
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Most conveyor chains have attachments either integral to the plate (normally the outer plate) or
welded onto the plate.
Common attachments are:
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K type Attachments
� Supplied integral or welded� Number following the letter = number of fixing
holes
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� F Attachments
Attachments
� L Attachments
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Attachments
� Spigot Pins and Extended Bearing Pins
� Outboard Rollers
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Special Attachments
� Holed Plates
� Pusher Attachments � G Attachments
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Connecting Links
� Standard Types
� Attachments may be on fixed or loose plate
107- Riveting Link
69- Link with nuts
58- Link with circlip
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Applications
� Wooden slat
� Apron slat
Industries include:
� Agriculture� Bakeries� Cement� Motor Vehicles� Water Treatment� Chemicals� Food� Swarf handling� Refuse� Paper� Packaging� Escalators
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� Plate scraper has deep scraper plates attached to chain
Applications
� Twin strand
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Applications
� Carousel Conveyor
� Often driven by caterpillar chain drive
� Pusher Conveyor
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Applications
Bucket Elevator dynamic discharge
Bucket Elevator continuous bucket
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Applications
Elevator – swing tray type Special Purpose – caterpillar track
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Chain Numbering BS / MARK 1
For example product number: 145160/16
� 1 = Chain � 45 = Chain type, e.g. Hollow pin, solid pin, deep plate, stainless steel, grease-gun lubrication etc.� 16 = Chain pitch – divide two-digit value by 4 to find the pitch in inches (differs for metric pitches).� 0 = Breaking load, e.g. 0= 6/7,500 lbf, or 1= 12/15,000 lbf� 16 = Roller design, e.g. Small plain, large flanged, roller material, e.g. Sintered, case-hardened, special, etc.
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Renold Chain Numbering ISO
� For example product number: B60165/160
� B = ‘ISO chain’.� 60 = Chain type, e.g. Hollow pin, Solid pin, material/plate style, e.g. Normal/deep link =7� 16) = Series indicator, e.g.16 = M160 = 160kn breaking load� 5 = Roller design, e.g. Projecting – high duty.� /160 = pitch in mm
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Ordering Conveyor Chain
When ordering conveyor chain you need to specify:- Breaking load- Pitch- Material type (e.g mild steel, stainless steel)- Coating (e.g zinc plated , Hydro-Service , etc)- Roller diameter and type ( plain , flanged )- Hollow pin or solid pin- Attachment type required (K1 , F1 ,etc )- Attachment spacing ( one side or both )
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Agricultural Chain
� Chain range specifically for use on agricultural equipment- harvesters etc
� Normally standard ISO numbers starting with letter “S” e.g. S42
� Some other standards e.g. CA550 / CA557 becoming more common
� Range of attachments available
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Summary – Renold offers
� Detailed Technical support
� Innovation
� Value for money
� LEAVE IT TO RENOLD!
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Module 1 – Basic facts about Chain
Conveyor / Engineered Chain