DRIVE CHAINS - Tsubaki
DRIVE CHAINS - Tsubaki DRIVE CHAINS - Tsubaki
Before Use For Safe UseStandard Roller Chains Lube-Free Roller Chains Heavy Duty Roller Chains Corrosion Resistant Roller Chains Specialty Roller Chains Accessories Selection Handling9. Example of shuttle tractionThe following are typical examples of using Roller Chain for shuttle traction. The roller chain can be attached to the shutttlewith an end fitting and towed using a sprocket on one end (left figure), or the driving unit can be attached to the shuttle, witha roller chain fixed to both ends using end fittings (right figure).There are similar ways to tow a shuttle at an angle. With the left figure the drive sprocket would be set at the top of the incline.Drive sideEnd fitting Roller ChainEnd fitting End fittingShuttleShuttleTake-upSelecting roller chain for shuttle traction If there are any laws or guidelines for chain selection, check and calculate accordingly. Make sure tofollow the manufacturer's selections and select the safer of the two selections. Use F-Type (Semi Press-Fit) connecting links. M-Type connecting links can only be used if there isminimal shock with no lateral force. Offset links cannot be used.Lubricate the chain joints as much as possible after you reduce the loads. Sufficient lubrication is alsorequired at end fittings (end bolts and connecting links, etc.) and connecting parts, etc.SprocketRoller Chain149
Selecting a Roller Chain10. Pin gear drive selection methodGenerally, linear movement or large radius rotation is made possible by a roller chain and gear through a transmission source(motor, etc.) via a reducer.A roller chain, however, needs a lot of space, and gears requires precision machining, which increases the cost. A pin gear isideal in these situations.Attachment chainPinion gearWheel1) When used linearly (rack) with rollers facing up:Use standard roller chain.Attachment chainPin gear sprocketPin gear sprocketRoller chain Gear Pin gear (Linear) Pin gear (Rotary)For pin gear drives, a roller chain is wrapped around the perimeter of the drum tomake a wheel, and special sprockets (see Sprockets) are used instead of piniongears. For linear motion, a roller chain is attached and used linearly instead of a rack.Item Pin gear drive Roller chain transmission Gear transmissionRestrictions on distancebetween shaftsYesNoYesNumber of engaged teeth Low HighLowSpeed ratio range No limit Up to 1:7No limitTooth shape Special teeth Sprocket teeth InvoluteEngagement accuracyNormal10.1 Characteristics of pin gears1)2)3)4)5)NormalPreciseEconomical at large speed ratios (1:5 or larger), especially when the drum has a largediameter.Roller chain attachments are bolted onto the drum for easy installation and maintenance.Design freedom in drum diameter, linear length, etc.Rough installation accuracy and no precision machining required for gears.Grease lubrication can be used.A pin gear is not suitable for ultra precise drives, and the noise level is high compared to gears.10.2 Chain installation and precautionsConnecting links are used on both ends, and fittings are attached and bolts and nuts are fastened to remove any slack. (Bothends need to be secured snugly with double nuts.) NOTE: This is not recommended as tooth slipping and interference can occur.Used an attachment roller chain.K1 attachment every 2 nd linkBefore Use For Safe Use Standard Roller Chains Lube-Free Roller Chains Heavy Duty Roller Chains Corrosion Resistant Roller Chains Specialty Roller Chains Accessories Selection HandlingSK1 attachment every 2 nd linkAttach K1 or SK1 attachments every 2 nd link and fasten with bolts and nuts every 2 nd or 4 th link with chain pulled taut so there isno slack or meandering. (K attachments are recommended.) The attachment holes are usually processed on-site.150
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Selecting a Roller Chain10. Pin gear drive selection methodGenerally, linear movement or large radius rotation is made possible by a roller chain and gear through a transmission source(motor, etc.) via a reducer.A roller chain, however, needs a lot of space, and gears requires precision machining, which increases the cost. A pin gear isideal in these situations.Attachment chainPinion gearWheel1) When used linearly (rack) with rollers facing up:Use standard roller chain.Attachment chainPin gear sprocketPin gear sprocketRoller chain Gear Pin gear (Linear) Pin gear (Rotary)For pin gear drives, a roller chain is wrapped around the perimeter of the drum tomake a wheel, and special sprockets (see Sprockets) are used instead of piniongears. For linear motion, a roller chain is attached and used linearly instead of a rack.Item Pin gear drive Roller chain transmission Gear transmissionRestrictions on distancebetween shaftsYesNoYesNumber of engaged teeth Low HighLowSpeed ratio range No limit Up to 1:7No limitTooth shape Special teeth Sprocket teeth InvoluteEngagement accuracyNormal10.1 Characteristics of pin gears1)2)3)4)5)NormalPreciseEconomical at large speed ratios (1:5 or larger), especially when the drum has a largediameter.Roller chain attachments are bolted onto the drum for easy installation and maintenance.Design freedom in drum diameter, linear length, etc.Rough installation accuracy and no precision machining required for gears.Grease lubrication can be used.A pin gear is not suitable for ultra precise drives, and the noise level is high compared to gears.10.2 Chain installation and precautionsConnecting links are used on both ends, and fittings are attached and bolts and nuts are fastened to remove any slack. (Bothends need to be secured snugly with double nuts.) NOTE: This is not recommended as tooth slipping and interference can occur.Used an attachment roller chain.K1 attachment every 2 nd linkBefore Use For Safe Use Standard Roller Chains Lube-Free Roller Chains Heavy Duty Roller Chains Corrosion Resistant Roller Chains Specialty Roller Chains Accessories Selection HandlingSK1 attachment every 2 nd linkAttach K1 or SK1 attachments every 2 nd link and fasten with bolts and nuts every 2 nd or 4 th link with chain pulled taut so there isno slack or meandering. (K attachments are recommended.) The attachment holes are usually processed on-site.150
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