The Shop > Tools

Impact driver extensions, sockets and drive bits?

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PekkaNF:
OK. picked up the car from carage and I talked to the mechanic. He was convinced that thin and unnecessary extensions, universal joints and using multiple extensions are no-go. He said that wobble extension is preferable over universal joint. He had some sockets split and told not to buy cheap thick wall sockets, they are no use with modern cars.

I have plan. I hope I'll get the pneumatic impact driver tommorow and I hope I'll get out of the work early eneough to hit one shop to buy few essential bits for it.

Pekka

PekkaNF:
got biger set than I thought. The shop had run out of the basic sets. Good news is that for next work I need to buy only one torx bit and I might need one intermediate lenght extension.

Pekka

PekkaNF:
Got the driver

it's very compact. Manual had some interestin reading.

One interesting thing was that the instruction to put least 200mm of hose between quick connector and impact driver. I asked about that on some people. I got some opinions that impact drivers dont't last if the QC is hooked it directly. Some argue that QC couplings fail with vibration. So there may be something to it.

I got some parts to hook up 1/4" impact driver thread to 10 mm ID hose and other parts. The hose is only about 2,5 m long.

Now I have to test oiler and regulator to see if they cause too much flow/pressure drop when in use. Oiler is not that essential on ocasional use, but I am curious.

Anyways, it is chance to test if larger extension hose will have any impact on performance.

Pekka

PK:
On the topic of air tools in general. My previous experience was that they were all a bit disappointing because I spent most of the time waiting for the various small compressors I've owned to catch up. So I spent many years not using them. 
Then we got a small but decent screw compressor. It's good for about about 1m^3 /min and is very quiet. Now air tools are awesome, small, light, run forever, powerful etc... I'll use them in preference to the range of high end cordless tools most of the time.

PekkaNF:
Yesh. I am a fan of pneumatic tools too. They are great and safer than alternative on certain applications.

Pneumatics systems on compressor/tool application have abysmally small efficiency. 10-15% is a good guess. Plusminus 5 if you can use air "hot" or you need to "cool" it. Air resrevoir is no help if you need that flow constantly. If you need 500W out of tool continuosly, you need 5000W compressor - least.

Insult is even bigger because piston compressors are sold on free air troughput and tools on pressurizer air volume. To make matters worse piston compressors might have smaller than 50% duty cycle and starts per hour might be limitted seriously.

I used very much pneumatic tools on the factory when I was young. They were lighter, smaller and safer that electric ones on drilling and threading. Electric ones produce most torgue when stalled and pneumatic ones priduced very little torgue when stalled. Nice when threading.

Pekka

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