With the increasing demand of people, the design of tempered glass is becoming more and more diversified. Whether it is building glass or automotive glass, it requires accurate positioning and high accuracy. This requires that all aspects of properties of tempered glass furnace should be more accurate to meet people's needs for tempered glass.

So once the tempering furnace has problems, it will not only affect its working efficiency, but also produce tempered glass which is also some low-quality products. In fact, there are two kinds of common faults in small glass tempering furnace, namely poor adhesion and bubble. The following two faults are introduced in detail by the manufacturers of glass tempering furnace, hoping to be helpful to you.

Poor adhesion:

(1) Insufficient processing temperature or holding time; Solution: According to the process requirements to ensure heating temperature and holding time.

(2) Film failure; Solution: Ensure the film storage environment, as soon as possible after the whole roll is unpacked or sealed to preserve, put the film for a relatively long time, it is recommended to do a small sample to verify the normal adhesive force of the film (such as edge grinding).

(3) The surface of glass is not clean; the solution is to clean the glass oil and dust.

Bubble phenomenon occurs:

(1) The surface of glass is uneven, especially toughened glass; the solution is to increase film thickness.

(2) film thickness is not uniform; solution: avoid film overlapping or splicing.

(3) Sandwich ornaments have moisture; Solution: fully drying ornaments.

(4) Stop the vacuum pump prematurely; Solution: The vacuum can be stopped until the temperature is below 40 degrees.

(5) Vacuum bag leakage or vacuum pump failure; Solutions: replace the silica gel bag, ensure the operation of the vacuum pump, improve the vacuum degree (> 0.094 Mpa).

(6) Temperature rises too fast; Solutions: Slow down the heating rate, step by step, do EVA heating to 70 degrees for 10 to 15 minutes, then to 120 degrees for 40 to 50 minutes, PEV temperature to 75 degrees for 10 to 20 minutes, then to 130 degrees for 30 to 60 minutes, depending on the thickness of the glass.

The above contents are two common problems of glass tempering furnace manufacturers. I hope they can be helpful to you. Once the steelmaking furnace fails in the production process, contact the manufacturer first to avoid affecting its work efficiency. Crystal Diamond Glass Machinery has 20 years experience in glass machinery industry. According to the customer's scheme, it provides professional suggestions to help optimize the scheme and reduce costs so as to realize customer value. Objectively analyze and absorb the advantages and disadvantages of the same industry, and constantly innovate. The system we developed has the characteristics of high automation, high stability and security, simple operation and reliable control.