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Flat transmission belts
CHIORINO manufactures from raw materials a wide range of high duty transmission belts with excellent resistance to temperature, oils, dust and abrasion. |
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They are widely used as live roller drives, tangential drives, power transmission drives crossed or multiple, for low, medium and high power, as machine feeding belts and process belts in the paper and folding industry. In particular the main applications are in:
graphic Industry
carton box folding Industry
textile Industry
packaging and confectionary
mechanical constructions
wood industry
flour mills
marble and tiles industry |
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The CHIORINO products range includes:
POLYAMIDE core and POLYURETHANE, ELASTOMER or LEATHER covered belts (P, Z, T, DG, LT, LL series)
POLYESTER traction and THERMOPLASTIC POLYURETHANE covering belts (DU series): fast joint splicing with CHIORINO equipment, particularly used on folder gluers in the box folding industry and on live rollers drives. |
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ARAMID traction and POLYURETHANE covered belts : fast joint splice with CHIORINO equipment, mainly used as tangential drive in the textile industry and on live roller drives.
Belts can be supplied endless spliced or with prepared ends for on-site splicing, to be done with dedicated solutions and CHIORINO designed equipment. |
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Tutte le cinghie possono essere fornite ad anello chiuso oppure con le estremità preparate per la chiusura in loco con le apposite attrezzature ed i parametri di giunzionamento forniti da
noi.
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» STANDARD PRODUCTION PROGRAM
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» FLAT BELTS STRUCTURE
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Asymmetrical
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Symmetrical
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» ROLLS SIZES
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The max. production width of the transmission belts is 500 mm
(excepted DU and AR series available 2000 mm wide).
Rolls sizes:
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PR - P - Z - T - DG
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120 m approx. |
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LT 0 ÷ 6 - LL 0 ÷ 4
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120 m approx. |
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LT 9 ÷ 12 - LL 6 ÷ 12
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60 m approx. |
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Narrower, shorter, longer rolls can be supplied upon request. |
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» ENDLESS BELTS TOLLERANCES
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Length
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up to 5000 mm
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± 0,5% |
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from 5000 to 20000 mm
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± 0,3% |
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over 20000 mm
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± 0,2% |
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Width
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up to 60 mm
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±1 mm |
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from 60 to 150 mm
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±1,5 mm |
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over 150 mm
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±2 mm |
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» CONFIGURATION OF THE PULLEYS
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To assist tracking of the belt it is advisable to crown the drive pulley. When considering drives with minimal difference between the pulleys’ diameters or with vertical or semi-crossed drives, it is advisable to also crown the smaller pulley, decreasing the h value by half. With multiple pulley drives, the pulleys to be crowned are only those touched by the same face of the belt. It is important to crown the pulley (s) as shown in the figure below. Do not fit pointed or truncated cone-shaped pulleys.
Materials recommended: cast iron or steel with smooth surface finish. The dimension h is a value of the pulley diameter up to 400 mm (see table 1).
For ø >= 400 mm, h is a value of the diameter ø, as well as the face width b of the pulley (see table 2). Usually the belt width recommended is as a minimum 10 mm narrower than the pulley face width.
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» JOINTING METHODS
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SKIVED JOINT
The CHIORINO transmission belts can be made endless using a
standard skive; directions here below.
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K cement
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for polyamide
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PR - P - Z - T - DG - LT - LL |
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Primer H
B cement
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for elastomer
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Z - T |
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R cement
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I hardener
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for elastomer and leather
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DG - LT - LL |
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AD cement
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C hardener.
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for MF elastomer
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MF DG MF |
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KIT
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Recommended directions
(the adhesives are packed into their own KITS)
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NAILCOL
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Series PR - P - DG
Apply the K cement on the polyamide part of the splices. Let dry for 5 minutes, then match the belt ends, paying attention to align properly. Press according to the instructions shown.
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CARBOCOL
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Series Z
Apply the K cement on the polyamide part of the splices. Apply the H primer on the elastomer part of the two splices and the B cement on the elastomer part of a single splice.
Series T
Apply the K cement on the polyamide part of the splices. Apply the H primer on the four elastomer parts of the two splices and the B cement on the two elastomer parts of a single splice.
Let dry for 5 minutes, then match the belt ends, paying attention to align properly. Press according to the instructions shown.
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GUMMICOL
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Series DG - LT - LL
Apply the K cement on the polyamide part of the splices. Let dry for 5 minutes. Pour the I hardener with the R cement (pot-life 2-3 hours). Apply the above mix on the elastomer or leather part of the splices. Let dry for 5 minutes, then match the belt ends, paying attention to align properly. Press according to the instructions shown.
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MF CARBOCOL
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Series DG MF
Apply the K cement on the polyamide part of the splices and let dry for 5 minutes. Pour the AD cement with the C hardener (pot-life 2-3 hours) and apply the mix on the splices of the top surface. Pour the I hardener with the R cement (pot-life 2-3 hours) and apply the mix on the splices of the driving surface. Let dry for 5 minutes, then match the belt ends, paying attention to align properly. Press according to the instructions shown.
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» TRASMISSION BELTS AND SPINDLE TAPES FOR THE TEXTILE INDUSTRY
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TRANSMISSION BELTS FOR TANGENTIAL DRIVES
Black-yellow series (T-T): polyamide trasmission belts with synthetic elastomer covers which are ground to ensure low noise performance; high resistance to wear and constant friction. In particular, this range includes T3 OE type, which has been purposely developed for the most sophisticated open-end spinning machines.
T series: traditional range of polyamide belts with elastomer
cover, purposely developed to work on spinning frames, twisters and texturizing machines. They ensure silent running, antistatic, absolute yarn uniformity, low energy
absorbtion, resistance to high temperature and long life.
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AR 60/2 type: belt with aramidic fibre traction core giving very high dynamic performance and with thermoplastic cover which enables very fast jointing.
For a more accurate evaluation for the technical characteristics please request the relevant technical data sheet.
The CHIORINO Technical Support is available to determine the appropriate belt type to suit any configuration of tangential drive.
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TAPES FOR SPINDLE DRIVES
The CHIORINO spindle tapes ensure the following advantages:
low energy absorption, silent running, dimensional stability running on small diameter spindles at high speed, uniformity of yarn count, no dust accumulation on edges, long life. They have good antistatic properties, low stretch and flexibility.
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ST 06 type: made of thermoplastic material, with high-modulus polyester carcass. Can be made endless thanks to the exclusive Micro-Z technique.
CNG and CNPG types: capable of ensuring, thanks to their
modern structure, higher efficiency compared to traditional cotton tapes.
CHIORINO design, build and supply the equipment for jointing on site, which keeps machine down-time to a minimum.
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» POLYURETHANE ROUND BELTS AND V-BELTS
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| CHIORINO manufactures by extrusion both polyurethane round and V Section belts which are used in various markets for transmission of light duty drives, at medium low speeds and conveying light loads. Main characteristics: extremely good tensile strengths, elasticity and flexibility values; very high resistance to abrasion, tearing, grease and pure mineral oils, petrols and hydrolisis. The recommended working temperatures is between –20 and +60 C degrees. The round belts of the “RU” range are produced in green colour with rough surface. A smooth version is available upon depends. The V-belts are manufactured in a single range which has a smooth surface, 92 Sh.A hardness and is bright green in
colour.
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FAST JOINT
Being thermoweldable polyurethane it enables quick endless jointing of belts: CHIORINO has designed for the above purpose easy to use equipment namely the S15 welder - picture on the right - (see picture) which can produce joints of high quality which can produce belts of any size.
PRODUCTION PROGRAM
ROUND BELTS SERIE “RU”
V-BELTS
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