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Polymer Block Chain 0.500" PITCH DUPLEX CHAIN PROFILES 1 PROFILE No. 0530 PROFILE No. 0540 PROFILE No. 0560 PROFILE No. 0590 PROFILE No. 0610 PROFILE No. 0660 PROFILE No. 0810 PROFILE No. 0820 PROFILE No. 0910 PROFILE No. 1360 PROFILE No. 1760 PROFILE No. 2020 PROFILE No. 2520 0.750" PITCH DUPLEX CHAIN PROFILES PROFILE No. 0630 PROFILE No. 0760 PROFILE No. 1480 1.000" PITCH DUPLEX CHAIN PROFILES PROFILE No. 0570 PROFILE No. 1120 PROFILE No. 1300 PROFILE No. 1310 www.renold.com engineering excellence 63
Roll-Ring ® Self Adjusting Chain Tensioner 1 Roll-Ring® is a simple yet innovative chain tensioner made from a specially formulated polymer. The unique design is based upon a simple toothed ring that can be fitted to horizontal, vertical or diagonal drives in a matter of seconds, simply by placing it in-between the two strands of chain. When the drive is in use, the Roll-Ring® deforms to an elliptical shape, due to compression between the strands and completely asborbs any slack in the system. Roll-Ring® performs the job of a tensioner and a damper in one, and is ideally suited to applications where maintenance is difficult or impossible. Technical Details Roll-Ring® chain tensioners provide tensioning using: ■ Static tensioning force from the elastic ring ■ Dynamic tensioning force from the damping of the working material Benefits The Roll-Ring® chain tensioner provides cost effective, time saving installation and maintenance. The advantages over other types of chain tensioners are: ■ Free standing - no sprockets, bolts, plates, drilling or costly installation required. ■ The Roll-Ring® is easily installed where space limitations prohibit the use of conventional chain tensioners. ■ The Roll-Ring® is fitted in a matter of seconds. ■ It is ready for use without any tools, tensioning equipment or any further alignment or adjustment. ■ It is fully effective in vertical and diagonal drives. ■ The Roll-Ring® works automatically, is maintenance free and self lubricating. ■ It can be used in dusty and dirty environments. ■ The Roll-Ring® is a tensioner and damper in one, thus reducing noise levels. ■ Roll-Ring® also works in reverse mode. Roll-Ring® chain tensioners reduce chain wear and improve the quality and efficiency of the complete chain drive. Roll-Ring® provides as much tensioning as possible at low chain speeds, and has reserves of tensioning and damping capability for higher chain speeds. The diagram below shows the tensioning force of a Roll-Ring® chain tensioner with it's individual allocations of tensioning force and their resulting effects. Tensions effort (N) 140 120 100 80 60 40 20 0 0 0.8 1.6 2.4 3.2 4 4.8 5.6 6.4 7.2 8 8.5 Tensioning effort for ROLL-RING ® : Chain speed (M/S) Dynamic force R1 Static force R2 R3 R2 R1 Resultant force R3 Snap-in installation Vibrations in an untensioned chain drive The innovative Tensioner The Roll-Ring® chain tensioner is an elementary mechanism based on new principles and represents a major advance in technology: ■ Roll-Ring® requires minimal technical effort. ■ Its operation is astonishingly simple. ■ All functions are integrated into a single component. ■ Roll-Ring® utilises the hollow space of the associated chain drive system giving greater flexibility to designers and specifiers. ■ Automatic positioning and self lubricating. The Roll-Ring® chain tensioner tensions and dampens 64 engineering excellence www.renold.com
Page 1 and 2:
Roller chain catalogue www.renold.c
Page 3 and 4:
SECTION 1 BS & ANSI PRODUCTS & DIME
Page 5 and 6:
Chain brands from 1 Reputation, exp
Page 7 and 8:
ISO 606 Synergy ® - BS Transmissio
Page 9 and 10:
A&S BS Transmission Chain 1 w A&S B
Page 11 and 12: Small and Large Pitch European (BS)
Page 13 and 14: Standard K1 Attachments ISO 606 K1
Page 15 and 16: Standard M1 Attachments ISO 606 M1
Page 17 and 18: K1 & K2 Attachments ISO 1275 Renold
Page 19 and 20: European (BS) Standard Extended Bea
Page 21 and 22: Syno Nickel Plated Chain No need to
Page 23 and 24: Syno Polymer Bush Chain 1 For highe
Page 25 and 26: Sovereign BS Chain Superior abrasio
Page 27 and 28: Transmission Straight Side Plate IS
Page 29 and 30: Cranked Link Chain G A 1 B C H F Pi
Page 31 and 32: BS Double Pitch Chain & Bush Chain
Page 33 and 34: Synergy ® - ANSI Transmission Chai
Page 35 and 36: A&S ANSI Transmission Chain 1 w A&S
Page 37 and 38: ANSI Small and Large Pitch Chain IS
Page 39 and 40: Standard Attachments for ANSI Simpl
Page 41 and 42: Standard K2 Attachments ANSI B29.10
Page 43 and 44: Standard M2 Attachments ANSI B29.10
Page 45 and 46: ANSI Standard Extended Bearing Pins
Page 47 and 48: Syno Nickel Plated Chain No need to
Page 49 and 50: Stainless Steel Chain 1 Renold roll
Page 51 and 52: ANSI Xtra Chain 1 RENOLD ANSI XTRA.
Page 53 and 54: ANSI Nickel Plated ISO606 A Series
Page 55 and 56: Double Pitch Chain Simplex ANSI B29
Page 57 and 58: Klik-Top TM Polymer Block Chain 24.
Page 59 and 60: Polymer Block Material Code and Det
Page 61: Polymer Block Chain 0.500" PITCH SI
Page 65 and 66: Roll-Ring ® Chain Tensioners Stand
Page 67 and 68: Transmission Sprockets ISO606 9.525
Page 71 and 72: Transmission Sprockets ISO606 25.4m
Page 75 and 76: Transmission Counterweight Sets Key
Page 77 and 78: Transmission Chain Guides 1 PLASTIC
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