G***G
发帖数: 16778 | 1 I have tons of questions about which kind of tools is necessary to buy.
1) breaker bar
2) torque wrench
accurately speaking, when you remove a tire, you must install it within
required torque. so that you must use a torque wrench.
but how many of you used it in reality?
I never saw a mechanic in tire store using it. instead they
used air impact wrench to do all the jobs about tire. |
i******d
发帖数: 449 | 2 I use the torque wrench several times.
I broke some stubs without it, like on the wheel and the engine cover.
I think the air impact wrench also has the torque settings.
【在 G***G 的大作中提到】
: I have tons of questions about which kind of tools is necessary to buy.
: 1) breaker bar
: 2) torque wrench
: accurately speaking, when you remove a tire, you must install it within
: required torque. so that you must use a torque wrench.
: but how many of you used it in reality?
: I never saw a mechanic in tire store using it. instead they
: used air impact wrench to do all the jobs about tire.
|
i*****t
发帖数: 24265 | 3 怎么知道轮胎店的impact wrench没有力矩控制？ |
G***G
发帖数: 16778 | 4 how to set torque by air impact wrench?
【在 i******d 的大作中提到】
: I use the torque wrench several times.
: I broke some stubs without it, like on the wheel and the engine cover.
: I think the air impact wrench also has the torque settings.
|
i******d
发帖数: 449 | 5 Go and ask them. :-)
some related wikis:
http://en.wikipedia.org/wiki/Impact_wrench
【在 i*****t 的大作中提到】
: 怎么知道轮胎店的impact wrench没有力矩控制？
|
G***G
发帖数: 16778 | 6 how to torque a part to a specific spec by air impact wrench?
【在 i*****t 的大作中提到】
: 怎么知道轮胎店的impact wrench没有力矩控制？
|
i*****t
发帖数: 24265 | 7 socket可以控制力矩
【在 G***G 的大作中提到】
: how to set torque by air impact wrench?
|
G***G
发帖数: 16778 | 8 the air impact wrench has no torque setting.
【在 i******d 的大作中提到】
: I use the torque wrench several times.
: I broke some stubs without it, like on the wheel and the engine cover.
: I think the air impact wrench also has the torque settings.
|
G***G
发帖数: 16778 | 9 but the control degree is not as accurate as a torque wrench.
【在 i*****t 的大作中提到】
: socket可以控制力矩
|
i*****t
发帖数: 24265 | 10 汽车生产线用什么wrench?
【在 G***G 的大作中提到】
: but the control degree is not as accurate as a torque wrench.
|
|
|
G***G
发帖数: 16778 | 11 program controlled pneumatic wrench. tire store cannot afford it.
【在 i*****t 的大作中提到】
: 汽车生产线用什么wrench?
|
i*****t
发帖数: 24265 | 12 看过一家专业轮胎店，是先电动wrench拧上，然后手动力矩扳手上紧，比较敬业
【在 G***G 的大作中提到】
: program controlled pneumatic wrench. tire store cannot afford it.
|
G***G
发帖数: 16778 | 13 good.
but most of tire stores just use one air impact wrench for all customers.
【在 i*****t 的大作中提到】
: 看过一家专业轮胎店，是先电动wrench拧上，然后手动力矩扳手上紧，比较敬业
|
i*****t
发帖数: 24265 | 14 如果没控制好impact wrench，很容易让rotor变型，导致刹车抖动
【在 G***G 的大作中提到】
: good.
: but most of tire stores just use one air impact wrench for all customers.
|
G***G
发帖数: 16778 | 15 but you just said, 'socket can control torque spec'.
what you said now implies that socket and impact wrench cannot adjust
torque at all.
【在 i*****t 的大作中提到】
: 如果没控制好impact wrench，很容易让rotor变型，导致刹车抖动
|
f*****e
发帖数: 210 | 16 Between the impact wrench and the socket, a set of "flexible" extension
links can be installed. The harder ones give more torque, while the softer
ones generates less torque at the end of the tightening process.
The links are colored to identify. If I remember correctly, the 100lb/ft one
for tire installation is pink/ purple. |
f*****e
发帖数: 210 | 17 Between the impact wrench and the socket, a set of "flexible" extension
links can be installed. The harder ones give more torque, while the softer
ones generates less torque at the end of the tightening process.
The links are colored to identify. If I remember correctly, the 100lb/ft one
for tire installation is pink/ purple. |
i*****t
发帖数: 24265 | 18 要控制力距，需要买哪种专用socket，一般shop没有这种sockets，那就频手感了，没
有经验的话很容易搞变形rotor。
【在 G***G 的大作中提到】
: but you just said, 'socket can control torque spec'.
: what you said now implies that socket and impact wrench cannot adjust
: torque at all.
|
I*D
发帖数: 40035 | 19
【在 i*****t 的大作中提到】
: 汽车生产线用什么wrench?
|
v*****z
发帖数: 3067 | 20 that is the proper way for using impact wrench.
that impact wrench I have had a reverse and forward have 1,2,3.
it don't tell how much torque, it depend on how much of the hose supply the
tool.
LZ it seems you at too early to using this kind the tools.
using hand tools id better for you now.
【在 i*****t 的大作中提到】
: 看过一家专业轮胎店，是先电动wrench拧上，然后手动力矩扳手上紧，比较敬业
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G***G
发帖数: 16778 | 21 thank you. you have your own air compressor.
How many torque wrench do you own?
in the market, there are three sizes of them, 6 inch, 14 inch, 20 inch.
the longer, the bigger the maximum of torque.
do we need to buy all of them?
If we just buy one, for example, 20 inch long torque wrench,
we cannot use it for brake job because of its long handle.
what is the most economical way to buy a tool which can adjust torque?
the
【在 v*****z 的大作中提到】
: that is the proper way for using impact wrench.
: that impact wrench I have had a reverse and forward have 1,2,3.
: it don't tell how much torque, it depend on how much of the hose supply the
: tool.
: LZ it seems you at too early to using this kind the tools.
: using hand tools id better for you now.
|
d****2
发帖数: 6250 | 22
挖，还真有这种珍惜物种阿，太赞了。
【在 i*****t 的大作中提到】
: 看过一家专业轮胎店，是先电动wrench拧上，然后手动力矩扳手上紧，比较敬业
|
i*****t
发帖数: 24265 | 23 越是小店越敬业
【在 d****2 的大作中提到】
:
: 挖，还真有这种珍惜物种阿，太赞了。
|
s*******t
发帖数: 2896 | 24 轮胎用十字扳手，用力正，双手容易控制，从来不用torque wrench。
多数零件的torque是10-70ftlb,需要torque wrench。比如+-3%的要求，torque越低
，绝对误差越小。
【在 G***G 的大作中提到】
: I have tons of questions about which kind of tools is necessary to buy.
: 1) breaker bar
: 2) torque wrench
: accurately speaking, when you remove a tire, you must install it within
: required torque. so that you must use a torque wrench.
: but how many of you used it in reality?
: I never saw a mechanic in tire store using it. instead they
: used air impact wrench to do all the jobs about tire.
|
