Technical Data  Cable Carriers (CABLEVEYOR) - Handling of cable carriers - Installation / maintenance, precautions

Installation / maintenance

Required space

To compensate for sag caused by cable carrier and cable mass, cable carriers will have pretension. However, the product should be installed at the mounting height H' and not the total cable carrier height H. Pretension and sagging will occur in the unsupported length portion depending on operating and environmental conditions. Be sure to ensure the required space referring to the figure above. Problems will not generally arise in the absence of interfering objects.

Vibration may occur with increased operation speeds. If operation speeds exceed 70% of the max. allowable speed, double the S dimension.

Moreover, be sure to provide space on the inside of the cable carrier to account for sag that occurs in the unsupported length portion during use.

ε=Moving end bracket and fixed end bracket mounting position differences
H=Total cable carrier height
H'=Mounting height
h=Height of required space
Types / Size ε or less S H'
TKP13H10,TKP17H11,TKP18H14/15,TKP25H15 3 50 H+(10~30)
TKP35H22,TKP45H25,TKUA45H26 4 100
TKP Series other than above, TKUA55H38, TKUA66H44 6 100
TKC Series, TKA Series 6 100
TKMK Series, TKMT Series 6 100
TKR15H22 6 100
TKR20H28,TKR26H40,TKR28H52,TKR37H28 6 100 H+(30~50)
TKQ Series 6 100 H+(10~30)
TKHC Series, TKLC Series, TKLT Series 6 100
TK070,TKS070 4 100 H+10
TK095,TKS095 6 100
TK130 8 100
TK180 10 100
TKH250 15 100 H+30

※Straight types (special type) that have no pretension are also available. Please refer to the special types page.

Cable carrier guide

A guide channel is required for use with cable carriers. Referring to the table below, construct a guide using steel plates or steel angles. To ensure smooth operation, chamfer and grade the sections where the cable carrier moves in and out of.

X = Cable carrier outer width, Y = Cable carrier outer height

Model U V
TKP13H10,TKP17H11,TKP18H14/15,TKP25H15 X+10 Y/2 or more
TKP35H22,TKP45H25,TKUA45H26 X+15
TKP Series other than above , TKUA55H38,TKUA66H44 X+20
TKC Series X+20
TKMK Series, TKMT Series X+20
TKR Series X+20
TKQ Series X+20
TKHC Series, TKLC Series, TKLT Series X+20
TK Series, TKS Series, TKH Series X+20

Lubrication

In principle, the cable carrier does not need to be lubricated. However, when using TK Series, TKS Series, TKH Series, or TKV Series in environments prone to rusting, protect against rust by applying grease to link portions or through some other means. Please note that lubrication is required for TKI Series.

Precautions for special applications

  • ■Install support rollers or side guides to prevent collapse when lateral loads are applied such as during ceiling crane running.
  • ■Take care to prevent vibrations from the machine being transmitted to the cable carrier if external vibrations from manipulators, rock drills, or other equipment are a concern. (Shock absorbers, etc.)

Precautions when fabricating glide channels for gliding arrangement

Observe the following precautions when you fabricate glide channels for gliding arrangement. Convenient, easy to install glide channels for gliding arrangement are also available.

■Description of terms

  • Push type :The cable carrier is moved by applying a force that pushes the moving end bracket in the direction of the bending radius.
  • Pull type :The cable carrier is moved in the direction opposite of that described above (the cable carrier is extended).
  • Buckling :A section of the channel on which the cable carrier slides that bulges out in the middle of push-type cable carrier movement.
  • H guide channel :A channel equipped with a platform installed in front of the fixed end bracket that the cable carrier is lifted onto and slides along.
  • U guide channel :A channel installed behind the fixed end bracket that supports the cable carrier at floor level.

Material

Guide channels restrict the lateral deviation in the moving direction of cable carriers, so use smooth steel sheet to reduce wear inparticular.

If the channels are painted for rust-proofi ng, the paint may peel off due to sliding and cause the cable carrier to become worn.

Galvanized steel sheet or SUS304 is recommended as the material to use to fabricate channels.

Use SUS304 when the channels will be used in an outdoor environment. Do not use the aluminum channels manufactured by Tsubaki in an outdoor environment.

Channel installation precision

  • ・Vertical deviation is within 5 mm either up or down per 5 m. The channels run in one direction without following a lineargradient.
  • ・Deviation in the horizontal direction is within 3 mm either to the left or right per 5 m. The channels run in one direction without following a linear curve.

Bracket installation precision on both ends

Moving end side Mounting height Within ±10 mm in relation to the full channel area
Lateral deviation in the moving direction of cable carriers Within ±3 mm in the full area in relation to the channel sidewalls
Parallelism Within ±3° in the full area in relation to the channel sidewalls
Fixed end side Mounting height Top surface of fixed end bracket is 0 to 1 mm in relation to the platform of the H channel
Parallelism Within 1° in relation to the channel sidewalls

Taper angle of upper channel surface

Fabricate the channels by giving the opening on the top of the channels a slope to the outside so that the cable carrier can be smoothly inserted into the channels. The bending angle is approximately 15° to 20° and the length is 30 mm or greater.

Structure of the transfer section for the fixed end bracket and channel

Give the transfer section of the H channel a slope so that the cable carrier transfers smoothly. The slope should be 10° or larger with a length of 30 mm or longer, and install the channel so the end touches the fixed end bracket.

When using Tsubaki dedicated aluminum channels, machine a 2-mm chamfer for the channel before installation.

Fabricating channel joints

■H guide channel

At both ends, bend the end section of the joint outward so the cable carrier does not catch.

For the platform that cable carrier slides on, fit the channels tightly so there is no unevenness. When creating an opening at joints, make that opening within 5 mm and eliminate unevenness with a 2-mm chamfer.

When using Tsubaki dedicated aluminum channels, machine a 1-mm chamfer for sliding surface.

■U guide channel

At both ends, bend the end section of the joint outward so the cable carrier does not catch.

Install the channel so unevenness is within 1 mm. Chamfering and other machining is not required. However, ensure the surface is smooth without burrs and cuts are clean.

Full length of cables and hoses

If there is clearance between the joints (between link pins and pin holes) of the cable carrier and tension is generated, the length will become longer than the basic length. For the full length of cables and hoses, prepare those items with a certain amount of leeway and adjust the length in the actual cable carrier. The amount of stretching may be approximately 0.2 to 0.6% of the total length at maximum, so use appropriate caution with long lengths.

Examples of problems due to poorly fabricated channels

  • ■Unevenness in the joints of sidewalls

    The unevenness interferes with the bending section of the cable carrier. This causes damage to the cable carrier and wear due to buckling and sliding.

  • ■Unevenness in joints at the bottom of channels

    Abnormal wear will occur if there is unevenness between H channels. Buckling and localized wear will also occur if there is a large amount of unevenness between U channels.

  • ■Channels not level after installation

    Buckling and increasing in sliding friction may occur.