What are the requirements for Commercial Door Hardware?

The development of Commercial Door Hardware is closely linked to the evolution of the type of commercial door and the way it opens. This evolution has been motivated by an awareness of the function of doors and a consideration of their convenience. Not only are there now requirements for commercial doors, but also Commercial Door Hardware. Hardware fittings determine the longevity of the door and reflect the different grades of going out. Doors are an important part of controlling access to a room. To make the door work to its full potential, the quality and role of the door hardware should not be underestimated. So, what Commercial Door Hardware is standard? The following will detail the requirements for Commercial Door Hardware.

Below is a list of the contents:

·Quality standards for Commercial Door Hardware

·Quality requirements for the appearance of Commercial Door Hardware

Quality standards for Commercial Door Hardware

1. to standardize the inspection of Commercial Door Hardware, clarify the content and requirements of the inspection, effectively control the quality of the material, and ensure that the needs of customers and production are met.

2. This scope applies to the incoming inspection of our Commercial Door Hardware. The sampling plan adopts GB/t2828.1-2003 single sampling, the level of inspection and the quality of reception shall comply with the following provisions.

(1) Side A: refers to the front and upper surface after assembling into the whole machine (the surface that can be seen directly during use.) Side B: refers to the side after assembling into the whole machine (the four surrounding areas that can be seen only when the line of sight is deflected from 45° to 90°.) Side C: refers to the back and bottom after assembling into the whole machine (the back and bottom cannot be seen during normal use.)

(2) △e (delta-e): In a uniform color vision space, the human eye perceives the unit of color difference test. When ∆e is 1.0, the human eye can perceive a color change. This test method is used to ensure color consistency when color is specified or accepted by the customer.

(3) Burr: A metal burr on the edge or parting surface of a machined Commercial Door Hardware part due to lack of treatment after mechanical stamping or cutting.

(4) Scratches Scratches and cuts on the surface of the product resulting from improper protection of the Commercial Door Hardware during processing, packaging, and transport.

Quality requirements for the appearance of Commercial Door Hardware

The Commercial Door Hardware should be installed completely, firmly, correctly positioned, flexible, and applicable to achieve their respective functions, square and beautiful. The joint sealant between the commercial door and window frame and the wall is full and dense, the surface is flat and smooth, without cracks and seams, the thickness is even, without porosity, and the filling materials and methods meet the design requirements.

Understanding the requirements of Commercial Door Hardware can facilitate the development of our industry. If you are interested, you can discuss it together. Our website is : https://www.dndhardware.com/