Group: Tsubaki
Catalog excerpts
ENGINEERING MANUAL
Open the catalog to page 1Tsubaki Top Chains: The Result of Trust and Close Ties with Customers We bring customers ideal chain solutions by putting our materials technology to work. Comprehensive Product Selection Tsubaki’s line-up of top chains offers an extensive range of features and constructions. We also have a wealth of accessories besides chains. If you’re looking for a particular type of chain to suit your needs or improve work processes, you’ll nd it at Tsubaki. Dedication to Quality and Technology Tsubaki’s Kuki Plant meets the needs of worldwide customers through its long years of know-how, consistently...
Open the catalog to page 2in Motion We aim to provide the best value and comprehensive solutions to our customers worldwide. We aim to be a world-leading company in plastic chain products and modular conveyor systems. Tsubaki Group Environmental Policy Philosophy The Tsubaki Group believes that environmental conservation is a critical challenge facing humanity. We will remain mindful of the environment in all our operations and contribute to the world through our workmanship. Basic Policy We will acknowledge the environmental impact of our operations, products, and services. In the interests of environmental...
Open the catalog to page 3Tsubaki Top Chain Features and Line-up Plastic Chain Features Protects Conveyed Goods Simple Construction Using a roller conveyor or steel chain to convey objects such as parts, manufactured items, pallets, and the like can result in damage from sliding or impact. The unique softness of plastic top plates makes them ideal for transporting products and materials that are easily scratched. Plastic chain consists of connecting pins and links with a top surface on which objects are carried. Links can be removed or replaced simply by removing the connecting pins—there’s no need to remove bearing...
Open the catalog to page 4Plastic Modular Chain Plastic Modular Chains use an alternating combination of interconnected modular engineering plastic links to transport goods in large quantities on wide, belt-shaped conveyors. Chain-sprocket engagement ensures reliable drive without any slippage. Different link types are available according to application and type of goods being conveyed: closed, open, net, and GTO-K types. In addition, the line-up has been expanded to include magnetic, rubber, and ight types suitable for inclined conveyance. Conveying surfaces are available in widths as narrow as 50 mm. Plastic...
Open the catalog to page 5Top Chain Engineering Manual Important Selection Considerations • ecause of the risk of damage and/or breakage, Plastic Top Chain is not recommended for use under conditions in which the chain may be subject to impact, or B in which foreign materials or objects might become jammed in the conveyor. Please consider the use of a metal chain under these conditions. Also, be sure to start up slowly (using inverter control) and stop slowly. • The presence of abrasives during operation will cause Plastic Top Chain to wear prematurely. Please consider the use of a metal chain in this case. • hen...
Open the catalog to page 7Top Chain Engineering Manual Step 3: Select Wearstrip Material 1. Selection Procedure Follow the procedure below to select the top chain and wearstrip that are most economical and suitable for the application. Step 1: Establish operating conditions Step 2: Select top plate material Step 3: Select wearstrip material Step 4: Determine factors and coefficients Step 5: Select top plate width Step 6: Calculate chain tension Step 7: Determine chain size Choose a suitable wearstrip material according to the type of top plate material. Table 3: Wearstrip Material Selection Guide Top plate material...
Open the catalog to page 8Top Chain Engineering Manual Step 4: Determine Factors and Coefficients Table 7: Angle Factor (αL) and Length Factor (αS) when Using Curved Wearstrips Top plate material Table 4: Coefficient of Dynamic Friction (μ1) between Top Plate and Wearstrip Lubrication Stainless steel or steel Stainless steel No lube or water Soapy water Oil No lube or water Soapy water No lube or water Soapy water No lube or water Soapy water No lube or water Soapy water No lube (dry) No lube or water Soapy water No lube or water Soapy water No lube (dry) No lube (dry) Angle factor ( Wearstrip material Top plate...
Open the catalog to page 9Top Chain Engineering Manual 6-2. Calculating Tension F for Sideflexing Movement (One Curve) Basically, the chain tension for sideflexing movement is calculated in a similar manner to that for straight-running movement. The tension for the applied load at corners, however, is compensated for by angle factors. Sample calculations are given for the figure shown below. It is recommended that sideflexing conveyors be lubricated so that the chain slides smoothly on the wearstrip. In particular, when the sideflex radius spans an angle greater than 90°, the chain and the wearstrip will wear...
Open the catalog to page 10Top Chain Engineering Manual 6-3. Calculating Tension F for Sideflexing Movement (Two Curves) When wearstrips, etc., are used for sliding in curved sections, there can be up to two 90° curved sections. Three or more curved sections will cause pulsation in the chain. To include additional curved sections, consider splitting the conveyor into sections or use the corner disc system. 6-4. Calculating Tension F for Sideflexing Movement (Horizontal Drive) Applicable chain: TPUH-BO (horizontal conveyance), Plastic Crescent Top Chain (TORP, TOSP), TO, TU Basically, the chain tension for sideflexing...
Open the catalog to page 11Top Chain Engineering Manual 6-5. Calculating Tension F for Inclined Movement Step 7: Determine Chain Size Select a top chain having a maximum allowable load larger than the maximum tension (F ) to be applied to the chain. Consult the maximum allowable load graphs beginning on page 55 and consider conveyor speed and ambient temperature in the selection process. F ≦ Maximum allowable load (coupled with speed and temperature) The effects of speed, conveyed goods, center of gravity, mass, environment, and other parameters will make it difficult to precisely determine the maximum inclination...
Open the catalog to page 12All Tsubakimoto Chain catalogs and technical brochures
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