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MP 43 G

MP 43 G
Internal height: 38 mm
Internal widths: 62 - 182 mm
Outside widths: 95 - 215 mm
Radii: 125 - 250 mm
Pitch: 75.50 mm
Links Per Meter: 13
Interior/exterior widths
Radii
Interior width (A) Interior height (B) Exterior width (D) Exterior height (C)
62 mm 38 mm 95 mm 62 mm
84 mm 38 mm 117 mm 62 mm
105 mm 38 mm 138 mm 62 mm
144 mm 38 mm 177 mm 62 mm
182 mm 38 mm 215 mm 62 mm
Radius (R)
125 mm
150 mm
200 mm
250 mm
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Chain bracket with variably positionable metal angle
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Frame bridge/cover can be removed from inside and outside flexure curve
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Radii with (RV) or without bias (RK)
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Strain relief plate ZL
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Plug-in shelf system for reliable cable guidance

Material characteristics standard (PA/black)

Service temperature: -30 - 120 ° C
Gliding friction factor: 0.30
Static friction factor: 0.45
Fire classification: In accordance to UL94 HB

Other information on request

Technical Specifications

Travel distance, gliding Lg: 50 m
Travel distance, self-supporting Lf: See Diagram
Travel distance, vertical, hanging Lvh: 40 m
Travel distance, vertical, upright Lvs: 3 m
Rotated 90°, unsupported L90f: 1 m
Speed, gliding Vg: 5 m /s
Speed, unsupported Vf: 15 m /s
Acceleration, gliding ag: 15 m /s²
Acceleration, unsupported af: 20 m /s²

Self-supporting length

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FLg:
Ideal installation situation for high stresses at the limit of the max. travel parameters. In this range the chain upper run is still biased, straight or has a max. sag of 10 – 50 mm depending on the type of chain.

FLb:
Satisfactory installation position for many applications working in the lower to middle range of the max. travel parameters. Depending on the chain type, the sag of the chain upper run is > 10 – 50 mm but less than the max. sag. If the sag is greater than FLb, the application is critical and should be avoided. Please choose a more stable Murrplastik cable drag chain.

Determining the Chain Length

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L = Travel distance
R = Radius
T = Pitch
E =

Length = L/2 + π × R + 2 × T + E

1 m chain = 13 x 75.5 mm links The fixed point of the cable drag chain should be connected in the middle of the travel distance. This arrangement gives the shortest connection between the fixed point and the moving consumer and thus the most efficient chain length.

Chain weight

Weight
62 kg/m
84 kg/m
105 kg/m
144 kg/m
182 kg/m
Chain bracket

Chain bracket

There are several options regarding the chain bracket. The fixed-point bracket (inside/bottom) and the moving end bracket (inside/top) are supplied as standard. However, any other combination can be supplied upon request. The chain bracket is fastened at the end like a side link. This enables the chain to move right up to the bracket. Each chain requires two chain brackets. The brackets should be fastened with M6 screws.
Order Number Type Material Pack qty.
0440000050 KA 44 Sheet steel 1
0440000052 KA 44 Stainless steel 1.4301 1
Type Inside width A B C Outside width D F G H Ø I
KA 44 62 mm  –  105 mm A - 14.5 mm A + 38.5 mm A + 34 mm 32 mm 43.2 mm 6.5 mm 12.5 mm
KA 44 144 mm  –  182 mm A - 14.5 mm A + 38.5 mm A + 33 mm 32 mm 43.2 mm 6.5 mm 12.5 mm
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Angle exterior

Separator

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We recommend that moveable separators are used if multiple round cables or conduits with differing diameters are to be installed. An offset configuration of the separators is advisable. The separator will stay solidly assembled at one side when the frame bridge is opened.

Shelving system

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The shelf must be used with a minimum of two separators to create a shelving system. The additional levels prevent cables from criss-crossing and therefore destroying each other, whilst also avoiding excessive friction. The shelves are matched to the available chain widths.

Guide channel systems for cable drag chains serve as trays for short travel distances and at the same time as guides for long travel distances. If no guide channel is used it is possible that the chain links may lay and move incorrectly. Especially for large bend radii as the side guidance does not exist. In most applications the cables/conduits enter the chain at a position central to the travel. This gives the shortest length of chain. In this case the chain is about half as long as the travel distance. If the chain is moved to the left (see illustration below) it simply rolls in the channel. If it is moved to the right, then it stacks on top of itself once the unsupported length has been exceeded. If the movement is further made into direction B the glide rail adjusts the difference in height and guarantees the minimum possible friction. This ensures the optimum free and correct running of the cable drag chain.

Assembly

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Step 1

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Step 2

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Step 3

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Step 4

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Step 5

Disassembly

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Step 1

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Step 2

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Step 3

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Step 4

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Displaying Metric Units