Machined Guide Rail

2.30 out of 5 based on 20 customer ratings
(20 customer reviews )

100.00

2017-11-27

20ft FCL

UPDATED 17/11/28
model qty set bundel bundel size prices USD Weight KG/PC
T50/A 150 5 meter set 50 rails/one bundel 5020*305*220 19.5 18.23
T70/1B 150 5 meter set 20 rails/one bundel 5020*260*190 35 36.85
T90/B 100 5 meter set 10 rails/one bundel 5020*255*190 63 68.2
T125/B 100 5 meter set 10 rails/one bundel 5020*335*230 93 84.3
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Description

Machined Guide Rail

 

Machined Guide Rail Properties

Modern and Advance Manufacturing Process, Fully Automated Manufacturing Line, Lean Six Sigma, 24/7/365 Customer Service, Integrated Network, Automatic Vision Inspection System (AVIS)

 Surface Roughness

Roughness of guide rail surface will directly impact the movement smoothness of guide shoe, and causing the grease storage of the guide rail. This brings consequence to the movement smoothness of cart and comfort of passenger. Finally it also bring implications to the break distance of safety grip.

Perpendicularity

Perpendicularity is meant the perpendicular from top surface and bottom milling surface of guide rail, ISO standard specification is ≤0.1mm. The perpendicularity will impact the guide rail joint accuracy and brings implication to the elevator smoothness and comfort.

 Parallelism

It means the parallelism of bottom milling surface and top surface of the guide rail, ISO standard specification is ≤0.2mm. The parallelism will impact the joint precision of guide rail and further reducing the smoothness and comfort of elevator.

Centering

It means the centering of tongue and groove, ISO standard specification is ≤0.1mm, high precision elevator guide rail is between ≤0.05mm and ≤0.03mm. Centering brings significant impact to the guide rail
joint precision, 2 guide rails failed in the centering specification when joint together will reducing the movement smoothness of guide shoe, it further will influence to the stability movement and comfort of elevator.

Tensile Strength

This is one of the most important mechanical property, ISO standard specification is between 410MPa and 520MPa. The tensile strength of guide rail will ensure the safety grip having sufficient support during the break mechanism taking place.

Chemical Composition

(C):0.14%—0.22%;
(Si):0.13%-0.35%;
(Mn):0.35%~0.65% ;
(P)≤0.045%;
(S)≤0.045%。
Increase carbon content in steel, the breaking point and tensile strength will be increased as well but the elongation and resistance to impact will be reduced.
Silicon acts as a reducing and deoxidizing agent, Manganese acts as deoxidizing and desulfurizing agent, both improve toughness and strength property of steel. Phosphorus and Sulphurn are toxic agents in the steel, both reduce elongation and toughness property of steel, theirs content is less than 0.045%. The hardness of guide rail will ensure the safety grip gains sufficient friction during the break mechanism.

Naming of Guide Rail

Naming of guide rail follows ISO standard, machined guide rail consists of 3 elements e.g. T type guide rail, width of the base and manufacturing process. /A means cold drawn guide rail, /B means machined guide rail, /BE means high precision machined guide rail, if there is necessity using the numbering to show the width of the base and cutting plane of the guide rail e.g. T45/A, T50/A, T70-1/B, T75/B, T78/B,
T82/B, T89/B, T90/B, T114/B, T127/B, T127-1/B, T140-1/B, T140-2/B, T140-3/B.

As for material, labor, transportation cost and exchange rate are changing,  the price for this guide rail is just for reference only, please contact us beforehand if you are interested.

 

Customers' review

Rated 2.30 out of 5 stars
20 reviews
5 stars 2 10 %
4 stars 3 15 %
3 stars 1 5 %
2 stars 7 35 %
1 star 7 35 %

20 reviews for Machined Guide Rail

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