At present due to the rapid development of science and technology developed, manufacturing, market combination lock
provided by the fingerprint pattern is various, how to choose in many complex purpose fingerprint combination lock and value of fingerprint combination lock that oneself like, is a difficult problem faced by many dilettante consumer, broad consumer awareness when the choose and buy goods, avoid to enter shopping myth, in the combination lock on fingerprint introduce inductive contrast with other inferior door lock, the hope can give you help.
Fingerprint fingerprint combination lock contrast surface treatment: a less known and inferior brand combination lock: surface there are grains of sand, not smooth, uneven color, the cost problem, do not use plating, and use spray paint, spray paint just surface protection, easy to corrosion.
Fingerprint combination lock: electroplating smooth surface without sand, uniform color, golden adopt good PVD plating processing, durable 15 years do not fade, zinc alloy silver with chrome plating, good wear resistance, rust, thickness of 0.
1 to 0.
2 microns, anti-corrosion, salt fog test for up to 48 hours fingerprint combination lock material processing contrast: fingerprint with a less known and inferior brand combination lock: stainless steel, 201 stainless steel, nickel content is lower than 304, the corrosion is very poor, easy to rust.
Pure copper: claims that pure copper, actual it is imitation gold plating steel fingerprint combination lock: stainless steel, the intensity of corrosion of 304 stainless steel.
Pure copper: imported high quality brass rod.
Zinc alloy: room temperature mechanical properties, good wearability plating adhesion fingerprint combination lock lock body processing contrast: fingerprint with a less known and inferior brand combination lock: outsourcing of lock body, assembly to sell directly, to save costs, using small tongue lock body, lock body or no insurance pose a safety hazard, the structure is loose, easily jammed phenomenon, no alarm function, without fire certification.
Fingerprint combination lock: independent production, improvement: parts low dissipation, convenient installation, long service life,
More than 15 years)
With insurance tongue: pry proof, prevent plugging.
Lock tongue: change stress points, five times stronger than other brand lock tongue hardness, not easy to break, bend and latch components: using a rotary transmission.
The overall structure is reasonable, compact mechanical connection, not all rely on oil lubrication, pin lock tongue/under-voltage alarm prompt, lock body through the national a-class fire certification.
Fingerprint combination lock: fingerprint combination lock design processing contrast: a less known and inferior brand launch very slow, there is no specific development department, nearly a few years will not launch new product, design is old, not new.
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