Goodyear Rubber Products
CALL
TOLL FREE
IN THE USA
1-866-711-4673
INTERNATIONAL SALES CALL
+1-727-342-5086
WE SHIP WORLDWIDE
International Sales Click Here
Get A
Quote
Now
Home
About Us
Product Brands
Catalogs
Contact Us
Locations
Corporate Headquarters,
Clearwater, Florida, (FL)
Parker Store, Bradenton, Florida, (FL)
Parker Store, St. Petersburg, (FL)
Parker Store, Ft. Myers, Florida, (FL)
Parker Store, Naples, Florida, (FL)
Parker Store, Tampa, Florida, (FL)
<< Previous Page
Click Here
to open this page in a new window.
Next Page >>
TECHNICAL INFORMATION DRIVE ALIGNMENT Synchronous belts are very sensitive to misalignment. Tension problem. Misalignment should be limited to 1/3 degree or 1/16 carrying members are generally twisted, multiple strands of inch per foot of center distance. fiberglass cord. Fiberglass has a high tensile strength and resist- Misalignment can be defined in one of two ways. First, if two ance to elongation, resulting in a very stable belt product. Any sprockets are not located equally on shafts, sprockets are then misalignment will lead to inconsistent belt wear, uneven load misaligned, as in Figure A. Second, shafts may not be parallel, distribution, and premature tensile failure. In general, syn- resulting in misalignment, as in Figure B. chronous drives should not be used where misalignment is a FIGURE A FIGURE B MISALIGNED Any degree of misalignment will reduce belt life and cause edge wear. Therefore, a straightedge should be used to check proper alignment verifying that sprockets and shafts are parallel, as in Figure C. FIGURE C Correct Alignment A straightedge should touch the sprocket at the four points indicated. Both front and back alignments should be checked. GENERAL ALIGNED Misalignment, at times, may cause tracking problems. Misalignment can also be attributed to the improper installa- Although some tracking is normal and will not affect belt per- tion of a bushing or loose drive framework. Refer to sprocket formance, it may be caused by poorly aligned sprockets. manufacture guidelines for proper bushing installation. Secure Flanges may control a tracking problem. Considering a two- motor and framework to eliminate vibration on center-to-cen- sprocket drive, belt contact on a single flange is acceptable. ter fluctuations. Belt contact with the opposite flanges of two sprockets should be avoided. 83
Goodyear Rubber Products