Fits in hindi || Part 1 || Clearance Fit in hindi || Clearance fit क्या होता है
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- Опубліковано 18 вер 2024
- #sscje #mechanical #gearinstitute
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Limits Fits and Tolerance
Two extreme permissible sizes of a part between which the actual size is contained are called limits. The relationship existing between two parts which are to be assembled with respect to the difference on their sizes before assembly is called a fit. Tolerance is defined as the total permissible variation of a size. It is the difference between maximum limit and minimum limit of size.
Fits
Upper deviation Lower deviation + Tolerance
Zero line: It is the line of zero deviation and represents the basic size.
Tolerance zone: It is the zone bounded by the two limits of size of the parts and defined by its magnitude, i.e. tolerance and by its position in relation to the zero line.
Fundamental deviation: That one of the two deviations which is conveniently chosen to define the position of the tolerance zone in relation to zero line, as shown in fig. 1.4.
Basic shaft: A shaft whose upper deviation is zero
Basic hole: A hole whose, lower deviation of zero.
Clearance: It is the positive difference between the hole size and the shaft size.
Maximum clearance: The positive difference between the maximum size of a hole and the minimum size of a shaft.
Minimum clearance: The positive difference between the minimum size of a hole and the maximum size of a shaft.
What is meant by fit and tolerance?
Tolerance is defined as the total permissible variation of a size. It is the difference between maximum limit and minimum limit of size. 1.2 Fits. When two parts are to be assembled the relation resulting from the difference between their sizes before assembly is called a fit.
What are the 3 types of tolerances?
Three basic tolerances that occur most often on working drawings are: limit dimensions, unilateral, and bilateral tolerances. Three basic tolerances that occur most often on working drawings are: limit dimensions, unilateral, and bilateral tolerances.
What are different types of fits?
The three main categories are:
Clearance fit.
Transition fit.
Interference fit.
How much should my press fit tolerance be?
However, the diameter isn't the only tolerance to consider: Pins often come in pairs, so consider the distance between the pins, too. Second rule of press fits: never more than two pins per assembly operation. Even better, use only one interference fit and align the parts with a slip-fit second pin.
How is tolerance calculated?
TOLERANCE :Tolerance is the allowable variation for any given size in order to achieve a proper function. Tolerance equals the difference between lower and upper limit dimensions. Example; for 0.500-0.506 inch the tolerance would be 0.006 inch.
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सर आप ही सही पढ़ाते हो ,और कोई नही,वास्तविक जीवन से relate करके जो पढ़ाते हैं वही अच्छा लगता है ,,बहुत लोग तो सिर्फ किताब में,डायरेक्ट बताने लगते हैं,👍❤👍
Sir apka samzaneka tarika bahut hi practical hai jaldi samzme ata hai ...
It is required to compute the limit dimension for an interference fit on the shaft basis system for a basic size of 30mm diameter, with a negative clearance of 0.20 mm, tolerance on hole 0.025mm and tolerance on the shaft 0.050mm. (Ans)
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I am mechanical engineer
Your explanation show's you understand subject perfectly
I like it, Well an good
Reading Book and teaching anybody can do .
But when you giving practical examples it's means you understand properly.
Students fellow this sir
Nice😊😊
College main samajh nhi ata tab apke video se samajh jte hain❤❤❤
0:58 dirty mind activated 😂
Was searching for this comment 😅
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Zabr dast
Very nice sir,
Sir pmmh ki video bna do
Sir hole basis and shaft basis system per v vdo bna dijiye please. Muje book se ashi tare smaj nahi aa reha.
Request hain ap asahe videos banate rahiye sir❤
Sir ek no zali ahe video. Concept clear hotech hote kash mi shikat astana he channel kalala asta i means u r great teacher. When we see your video on perticular topic at that time concept 💯% clear
English plz
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वाह वाह वेरी नाइस सर
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Mithayi bhej do fir
Example of clearance fit hain : Door hinges. Darwaza ka hinge jo hota h wo clearance fit h. Agar clearance naa ho toh darwazaa rotate krne par zyada moment ka jarurat parega meko. Aur mein yeh nahe chahta toh mein aise darwazey kharidu he naaa.
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Great....
Thank you sir
Really I appreciate you sir😍😍
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thankyou sir g 🙏
Kuch topic p
Sir, 30.10-30.40 tolerance zone hai kiya? (Tolerance zone thoda confuse lag raha hai)
Sir which factor decide clearance size between cylinder and piston?,, how can I descide that how much clearance is required??,
sir fundamental deviation kya hota hee ?
सर गियर टूथ measurment कैसे करे
Im turner leth machine operator right information
Plug and socket fit
Sir aapka ghar ghazipur me hai kya
No
Punjab
👌👌👌👌🙏🙏🙏🙏🙏
Pen aur uski lead
Sir pen to Hain lakin lid nahi hai 😆
Abb to digital board hai
😂😂