公差配合与测量教?- 百度文库

2026/4/28 12:38:47

49 ҳ 66 ҳ

ۿ Ͽ ʱ գ ڣ ѧ ״λùĿӦúͽ 1.λĸ ѧ 2.˽λصͺ壬ӱй۲⹫״ע Ŀ ѧ λ ص ѧ ѧ λĺ ѵ ѧ:

3-3 ״λùĿӦúͽ

ڷ

һ λĸ

1 λʵʱҪر䶯ֻҪڹڣҪؾǺϸġ

2 λҪأ״Сλá

a СָĿȻֱֵĴСʾλȵĸߵ͡

b λҪأͬĹĿͲͬµͬһĿҲDzͬġ

c ״ɱҪص״͹Ŀ

49

50 ҳ 66 ҳ

״ص һص

״Ҫص㣺ֻƱҪص״ԸݱҪصʵʷλýƽƻתֻҪҪذУΪϸ

״ 1. ֱ߶

ǿϱҪصIJ̶ֱȣƵֱУƽڵֱߣתߣƽȵĽߣߵ

1)ƽڵֱ߶ȣߣΪt ƽֱ߼

2)ֱ߶ȣ Ϊt ƽƽ 3ⷽϵֱ߶ȣ ΪֱΪ t Բ 2. ƽ

ʵʱƽ䶯һָ :Ϊƽƽ t 3. Բ

ǿʵԲԲı䶯һԲȣ 뾶Ϊ t ͬԲ 4. Բ ۺָ꣩

ԲԲȣߵֱ߶ȣֱߵƽжԼߵֱ߶ȵȵ

뾶Ϊ t ͬԲ ״λù һص

1.Ⱥ޻׼Ҫĺл׼Ҫġ乫дС״Ҫ⣬λÿ̶ܹҲܸ

2.޻׼Ҫʱߣ棩óߴ粢עƣʱߣ棩λDzģ״л׼Ҫߣ棩ȷߴ粢ע׼ƣʱߣ棩λΨһģƶλù ״ 1.

ƽ߻ռĽߵĹʵʶı䶯ȫ

50

51 ҳ 66 ҳ

һϵֱΪ t ͼγɵ֮ԲԲӦλϡ t 2.

ƿռ״

һϵֱΪֵ t ֮ӦλϡS t

ȹǰĸ״Ŀȣص㣺 1״ȷߴ

ȷߴԱҪص״λõijߴ磬һҪּӷʽʾ

2ڻ׼λҪʱ乫ڻ׼Ӧָλùϵ

ȡabaûλҪ󣬹ֻƱҪص״ûзλҪb-ڻ׼λҪ󣬹λڻ׼ȷߴȷƶ

ġ λùص 1򹫲 һص

1Ҫص㣺򹫲ڻ׼ȷķ򣬶λǿɸġ

2ͬʱƱҪص״ͷ򡣸򹫲ͨٸ״״һҪ󣬿ٸ״ֻǹֵҪСڶ򹫲Ĺֵ ״

1.ƽжȣƱڻ׼ƽг̶ȡ 1߶ߣߣ׼ߣ

һ򣺾Ϊֵtƽڻ׼ƽƽ

򣺾ֱ t1 t2ƽڻ׼ߵƽƽ

ⷽ Ԧ t Ϊֱƽڻ׼ߵԲ 2߶棺Ϊߣ׼Ϊ棩

Ϊֵtƽڻ׼ƽƽƽ 3

Ϊֵtƽڻ׼ƽƽ

51

52 ҳ 66 ҳ

4

Ϊֵtƽڻ׼ƽƽƽ 234Ǹһ

2. ֱȣʵҪضԻ׼ڴֱı䶯ȫ 1߶ߣ

һ򣺾ΪֵtҴֱڻ׼ߵƽƽ 2߶

һ򣺾ΪֵtҴֱڻ׼ƽƽ 򣺾Ϊֵ t1 t2 ֱڻ׼ƽƽƽ

ⷽ Ԧ t ΪֱĴֱڻ׼Բڵ 3

һ򣺾ΪֵtҴֱڻ׼ߵƽƽ 4

һ򣺾ΪֵtҴֱڻ׼ƽƽ 3. бȣƱڻ׼ 0 -90 ֮䣬ıԻ׼б뷽ȷǶȷ 1)߶б

ߺͻ׼ͬһƽڣΪֵt׼߳һǶȵƽƽ

ߺͻ׼߲ͬһƽڣͬϣֻڴʱʹá

һ򣺾Ϊֵt׼һǶȵƽƽ

ⷽ Ԧ t ΪֱԲ׼һǶȵԲڵ 3

һ򣺾Ϊֵt׼߳һǶȵƽƽ

4

һ򣺾Ϊֵt׼һǶȵƽƽ

ע⣺ƽжȺʹֱȿԿбȵ ͼ3-39

52


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