Residential Elevator Parts Elevator Guide Rail

Residential Elevator Parts Elevator Guide Rail

Product Introduction 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...

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Product Introduction

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

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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.

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Tina Zhou (Ningbo Conai Escalator&Elevator Co.,Ltd)
Tel: 86-574-89028501 Mobile: 86-18658260067
Fax: 86-574-89028502 E-mail: sales@nbconai.com
Company website: http://www.nbconai.com

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