RC India

RC Equipments => Tools, Materials and Building Techniques => Topic started by: anam_funny on July 09, 2010, 08:38:29 AM



Title: Heat Gun Solution
Post by: anam_funny on July 09, 2010, 08:38:29 AM
Hello,
Ive been using an normal Iron (Press) on heat shrinks... but now i am really fed up of it. I dont want to spend too much on just a heat gun. So does anyone has any alternative... or can tell me how to get a cheap heat gun..
I also need a crimping tool... ust to make my own servo wires, got servo plugs and wire... but not the right tool to do so, nose pliers dont do much in crimping....


Title: Re: Heat Gun Solution
Post by: sandeepm on July 09, 2010, 10:15:42 AM
I use a rs. 300 worth small hair drier.....enough for my work....

Sandeep


Title: Re: Heat Gun Solution
Post by: anam_funny on July 09, 2010, 10:30:24 AM
Yes... i tried that... so do you use a nozzle or something to concentrarte the heat... because mine didnt work quite well...


Title: Re: Heat Gun Solution
Post by: sandeepm on July 09, 2010, 11:09:34 AM
No ...No nozzle ...i use without it.....if you can you can try with a cigarette  lighter as weel....

Sandeep


Title: Re: Heat Gun Solution
Post by: anam_funny on July 09, 2010, 11:12:52 AM
yup... but it burns the heat shrink... leaves a black resedue which gets imbeded in the heat shrink and laves a bad finish... i tried the hair drier... used a bit of a nozzle to concentrate the heat... uneven heaing... but works well..

Thank You


Title: Re: Heat Gun Solution
Post by: mpp on July 09, 2010, 11:30:03 AM
I too use a hair dyer (at home my wife's ;) ) a good (hot) dyer will work on lowest setting, but if it isnt much u can go to next higher setting.
Nozzle will be good to concentrate the heat. just keep heating uniformly from all sides and not one part at a time.
and also in case of dyer, just outside the 'cone'/blast of hot air is a 'breeze' of cold air, which will cool things fast, try not to get it on the joint.
my few cents!! :)


Title: Re: Heat Gun Solution
Post by: flyingboxcar on July 09, 2010, 12:11:13 PM
How about trying it with a soldering iron? I use the low wattage one to shrink any heat shrink tubings etc


Title: Re: Heat Gun Solution
Post by: sushil_anand on July 09, 2010, 12:36:52 PM
A soldering iron does work for small diameter tubing, but one has to be very careful. The results are also somewhat uneven and unusable for battery packs, etc. The hair dryer method is very slow - at least with a Panasonic dryer that my daughter uses.

Used both these methods until I got myself a heat gun with temperature control. Cannot look back! It is great for tightening covering also.


Title: Re: Heat Gun Solution
Post by: anam_funny on July 09, 2010, 01:36:08 PM
So how much does a heat gun costs... just a very simple heat gun...


Title: Re: Heat Gun Solution
Post by: anwar on July 09, 2010, 01:48:15 PM
How about trying it with a soldering iron? I use the low wattage one to shrink any heat shrink tubings etc

I have been using the thick/butt end of a soldering iron for such purposes.  The tip is too hot, just use an area closer to the handle of the soldering iron.


Title: Re: Heat Gun Solution
Post by: mpp on July 09, 2010, 01:56:33 PM
Used both these methods until I got myself a heat gun with temperature control. Cannot look back! It is great for tightening covering also.
just out of curiosity.. what is the ideal temperature for it??


Title: Re: Heat Gun Solution
Post by: sandeepm on July 09, 2010, 02:40:34 PM
Min temp and maximum temp. is always mentioned on the heat shrink tube, also, maximum shrinkage % is also mentioned.

Sandeep


Title: Re: Heat Gun Solution
Post by: sandeepm on July 09, 2010, 02:44:19 PM
Check this FAQ's on Heat Shrink Tubing

http://www.rselectronics.com/resources/heat_shrink_tubing_FAQ.aspx


Title: Re: Heat Gun Solution
Post by: ujjwaana on July 09, 2010, 02:46:06 PM
I use a  Phillips hair dryer of Circa 1980's discarded by my Mom. The Heat guns used by mobile phone repair guys cost around Rs 800-1600. I personally dont like lighter/Soldering as they don't shrink uniformly.

Always warp the electronics ( ESC) etc with a small towel when you use dryer so that they dont face extreme temperatures unnecessarily