FAQ

• 2014-09-29How to Deal With the Automatic Restoration of HMI Default Values

  At the running state of PLC, the automatic restoration of HMI default values occurs in the following cases:1. When the communication cable of the electric control cabinet is interfered by the external interference source;

• 2014-08-17Conversion Procedure between Flat & Bent Tempering

  Regarding LandGlass flat&bent bi-directional glass tempering furnace, following steps should be concerned for the conversion procedure between flat & bent tempering.

• 2014-07-23Solutions to Spontaneous Explosion of Tempered Glass

  Most of the spontaneous breaking of the tempered glass happens due to the nickel sulfide stones in the glass sheet. Through homogeneity treatment of the tempered glass

• 2014-06-18Why Spontaneous Explosion Occurs to Tempered Glass

  Spontaneous explosion is one of the features of tempered glass. Usually it occurs during tempering, storage or using without being exerted any mechanical external force. But how this happens and how to prevent it?

• 2014-05-06Stress Mark on Tempered Glass

  Stress marks may be seen on the tempered glass, which are usually due to the reflection under the polarized light, such as sunlight or other forms of reflected light.

• 2014-04-21Factors of Hot Spots on Tempered Glass

  The hot spots appear due to many factors among which the major factors are listed below for reference:1. The dampproof powder sticks to the glass when it is damped or there are sundries on the surface of the glass

• 2014-03-21Troubleshooting of PLC System on Tempering Furnace

  Most of the hardware faults of PLC on the tempering furnace are caused by periphery ones, for the processor can inspect itself constantly during the runtime of PLC and the problems on its own would be alerted by the panel light.

• 2014-02-21How to Adjust Tempered Glass Flatness with Wind Board

  According to the national standard, the overall bow of flat tempered glass should not exceed 0.3% and local wave should not exceed 0.2%. The flatness of tempered glass is one of the major indicators of the glass quality.