The hard fast door, also known as the aluminum alloy quick-opening door, is a new type of anti-theft, high-temperature isolation metal quick-opening door, which is reliable, practical and easy to operate. Hard fast door curtain body Constrained door curtain mechanism is divided into: aluminum alloy door curtain, soft connecting strip, guide wheel, etc., several parts of load-bearing rubber chain: 1-200mm thick aluminum alloy door curtain, the surface is treated by anodic oxidation and organic coloring, and the tensile strength is 230 b/ MPA and above comply with GB/T5237.1-5-2000 standard, the bus color is gray,

2021

Advantages of stainless steel free doors

Stainless steel free doors, also known as two-way access doors and impact doors, are special doors used in many factories, supermarkets, and restaurants. Because it can be opened in two directions and automatically reset, it is convenient for people and vehicles including goods to pass quickly, and no one is responsible for opening and closing the door, saving time and effort. Comply with food industry hygienic standards. Both sides are made of acid and alkali resistant 304 stainless steel plate. The sandwich wood is specially treated to make the door anti-corrosion and moisture-proof, which can meet any cleaning requirements. However, traditional wooden doors and aluminum doors have no obvious function in this regard and cannot be cleaned at will. In addition, compared with traditional doors, stainless steel free doors are much thinner and more convenient

2021

Some matters needing attention in stainless steel free door

In order to prevent the accumulation of stains on the surface of the stainless steel free door, rough surfaces such as scratches on the surface of the stainless steel door must be cleaned mechanically, and the cleaning can be polished with a grinding disc. Stainless steel free doors, especially in some damp places in the kitchen, are prone to rust spots, especially if the surface is seriously polluted. Therefore, the surface of the stainless steel free door should be wiped clean after work, and the thoroughly cleaned surface should be verified by iron test and water test.

2021

What are the common faults of the motor of the hard fast door

The hard fast door works fast and with low noise. These are inseparable from the contribution of the geared motor. The motor of the hard fast door adopts a speed ratio of 1:10-1:15, which balances the noise and speed well, and makes the hard fast door work quickly, smoothly and quietly. But the motor can be regarded as a fine device after all, and it will inevitably break down after a long time. So when the geared motor fails, how to detect and remove obstacles? How to maintain the geared motor in normal times to prolong its service life?

2021

What are the advantages of hard fast doors

With the wide application of fast doors, the application of fast doors is also increasing. The installation of fast doors in underground garages is no longer a case, but is gradually becoming popular. Many builders tend to buy basement doors after the building is completed, and some developers buy PVC fast doors at a relatively low price, but there are significant differences in functions between PVC fast doors and hard fast doors.

2020

Some knowledge points of hard fast doors

Fast rolling doors are divided into pvc fast doors and hard fast doors according to materials. Since the facade of the pvc fast door is made of industrial woven fabric, it generally plays the role of fast partition in daily use, so when there is a need for heat preservation, a hard fast door is required to meet the use requirements. So for a high-quality hard fast door, we should pay attention to which processes can improve its thermal insulation performance, while taking into account other use requirements! Let's take a look.

2020