uPVC Window Processing Manual
Part 6 Corner Cleaning
This is a uPVC window processing manual part 6. This part mainly introduces corner cleaning. From this part, you will also learn how to clean the uPVC window door frame and sash.
After that welding, the welding surface will have a welding tumor.
To avoid the window function and beauty, we need to clean the corner.
For the casement window, the welding tumor will affect the leakproofness between the window frame and window sash.
For the sliding window, the welding tumor will affect the fixable sliding.
1. the below situation must clean the welding tumor
- Firstly, the frame, sash, and division profile welding tumor which exposed outside must be cleaned. To avoid the beauty, leakproofness and relevant parts cooperation.
- Secondly, The four sharp corners must be cleaned. To avoid the affection of window installation and assembling. Also, to avoid the beauty and harmful to arms during opening and closing.
- Moreover, all the welding tumor which affect the beauty and sealing strip installation must be cleaned.
2. how to clean the welding tumor
There have different ways to do this job. Among all upvc window machines, normally we use the corner cleaning machines to do this.
There are several uPVC window cleaner as below:
CNC corner cleaning machine with 5 cutters could use to cleaning the upside, downside, outside vertical and inner automatically.
This normal corner cleaning machine could clean upside, downside and vertical. But the vertical blade should customized according to the profiles.
3. corner cleaning parameter
After that cleaning, if the surface has a light slot, its depth must ≤0.3mm. outer vertical corner beveling (3-5)mm x45°
4. some attentions
- Firstly, it is better to clean welding tumor before the corner completely cooling.
At this moment, the profile inside the molecular structure tends to be stable and not completely harden.
And this neither affect welding corner intensity nor occur corner collapse phenomena. - Secondly, when using a CNC corner cleaning machine or manual cleaning machine, please ensure the blade in the right angle and sharp.
- Moreover, when process the co-extruded profile, please do some change accordingly for the slot depth.
- Meanwhile, during cleaning, prohibit leaving any lap on the component.
Check Below Relative Post
- PVC Window Door Processing Manual – Part 1 uPVC profile cutting
- uPVC Window Door Production Guide – Part 2 drilling drainage holes and pressure balance holes
- uPVC Window Door Production Manual – Part 3 milling hardware installation slot
- How to make uPVC window door – Part 4 reinforcement steel cutting and installation
- uPVC Window Door Making Manual – Part 5 profile welding
- uPVC Window Production Guide – Part 7 Sealing Strip Installation
- uPVC Window Production Manual – Part 8 hardware installation
- How to make uPVC window – Part 9 Glass Installation
- uPVC Window Making Manual – Part 10 window door quality inspection
- uPVC Windows Manual – Part 11 window door packaging warehousing and transportation
- uPVC Window Manual PDF – Part 12 uPVC window installation guide
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