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Crankshaft, an essencial mechnical part, plays a great role in engine of motorcycle.Motorcycle crankshaft is made of several seperate pieces, today we only focus on the failure analysis of needle roller bearings used in crankshaft. Cause of crankshaft damage Generally it is because the oil’s not replaced in time. There are bearings in crankshafts. The bearing will wear seriously without oil or with poor lubrictaion, a gap may occur, t...
There are many bearings used in various active parts of a motorcycle (such as the direction column, the front and rear wheels, the rear chain plate, the rear gearbox, etc.). Bearings produced by regular manufacturers are generally tested as qualified products at the factory, but it is also important to install them correctly. During the usage of motorcycle, if the bearing ball cage falls off, the working surface in the rolling groove wi...
Riding a bicycle is a common excercise way in our nowaday life. But how much do you know about one of the most important parts in a bicycle–BEARING? Please allow me to show you here. Which parts are bearings used in a bicycle? Bearings are used in bicycles mainly to reduce friction. Normally you can find bearings used in the following parts: 1. The front and rear hubs of the wheels 2. The bottom bracket(BB) where an axle con...
Case No. 1 TBB optimized products can work under higher load rating with longer lifetime. Case No. 2 Case No. 3 Bearing Durability Test Comparison — Needle Roller Bearing HK1010Application: Automotive automatic gearboxTest purpose and method: Bearings run a test continuously under constant radial load. The durability test component level test were run on both TBB and INA, the test results:1, Total test time is about 2870hours and...
● Significance & Application of CQI-9 HTSA The North American automotive association AIAG (Automotive Industry Action Group) is the publisher of the CQI standards (Continuous Quality Improvement). CQI-9 Heat Treatment System Assessment is a self-assessment of the heat treatment system and must be carried out at least once a year.This standard is an appendix to ISO TS 16949 (IATF 16949) under ?customer-specific requirements“ and ...
1. TBB Busy April 2. TBB Handcraft Lesson Look, except bearing, we also had many fun times in office! On the second week, TBB members enjoyed very interesting handcraft lessons at office. The handmade Husky card-bag was so cute! The purse also looked great! Maybe the new year gift of 2020 you get would be our handmade something. 3. TBB Take Action on Earth Day ● Lessen Paper User Try using email, PDF’s, electronic documents, CD-ROM...
There’s always a chance that things break. Same with bearings, but it doesn’t mean that we can’t prevent those issues beforehand to avoid further troubles. The below chart will show you how bearing failure comes and what we can do to prevent it ahead of time to make your application much stronger. With the above knowledge, you don’t have to wait for the symptoms of a bearing failure before you take actions, which can help ...
How much do you know about Air-Condition Compressor? We summarized here with several typical types of air-conditioning compressors and TBB bearing usages. 1, V5 COMPRESSOR Improved air conditioning performance and fuel economy because of its smooth, continuous operation without clutch cycling. Meets vehicle air conditioning demand with its adjustable displacement capability. Compatible with R-12 & R-134a Systems. 2, HS COMPRESSOR HS...
HVAC: is abbreviation of Heating, Ventilating, Air-Conditioning，mean the unit mounted under the instrument panel with heating, ventilating, and air conditioning functions. Including air intake unit, air blast unit, air purification unit, heating unit, refrigeration unit, distribution unit, and blower assembly, heater core, evaporator core, mixed damper, model damper, compressor. Today our main topic is to learn something about air-con...
Bearing in ABEC-7(P4) or ABEC-1(P0) for my application? ●What does Bearing Precision mean? When dealing with rolling bearings, precision is described by tolerance classes which include dimensional accuracy and running accuracy.it is regulated by ISO or other related standards. Dimensional Accuracy includes (the items related to the installation of shaft and outer shell): 1. Allowable deviation (acceptable values) for bore diamete...
