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180 Bass Pro Mills Drive

Concord

Ontario L4K 0G9

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CA(EN)

drylin® T - Mounting Version - Horizontal

1st Step:

Select the mounting version:

1 rail and 1 carriage

1 rail and 2 carriages

2 rails and 4 carriages

2nd Step:

Check to see whether the maximum clearances of the applied forces are within the permissible values (see maximum permissible clearances, right).

Maximum permitted clearances:

Option: 1 rail, 1 carriage
sy + sz	<	2 Lx - Y0
ay + az	<	2 Lx - Y0
sy	<	5 Zm
sz	<	5 Zm

3rd Step:

Calculate the necessary driving force

3.1

Center of gravity in x- and z-direction inside the carriage(s)

3.2

Center of gravity in z direction outsideof the carriage(s)

3.3

Center of gravity in x direction outside of the carriage(s)

If the position of the center of gravity is not specified: Fa = MAX (Fa1, Fa2, Fa3)

4th Step:

Calculate the maximum bearing load

4.1

Maximum bearing load in y direction

4.2

Maximum bearing load in z direction

Variables in the calculation:

Fa:	Driving power	[lbs]
Fs:	Mass force	[lbs]
Fy, Fz:	Bearing load in y- or z-direction	[lbs]
sx, sy, sz:	Clearance of the mass force in x-, y- or z-direction	[mm]
ay, az:	Clearance of the driving power in y- or z-direction	[mm]
wx:	Clearance of the carriage on a rail	[mm]
LX:	Constant based on the installation size	[mm]
Zm:	Constant based on the installation size	[mm]
Y0:	Constant based on the installation size	[mm]
b:	Clearance of the guide rails	[mm]
µ:	Coefficient of friction, µ = 0 in static loads, µ = 0.2 in dynamic loads
ZW:	Number of carriages per rail

The constant values:

Order no.	LX	ZM	Y0
	[mm]	[mm]	[mm]
TW-01-15	29	16	11.5
TW-01-20	35	23	15.0
TW-01-25	41	25	19.0
TW-01-30	49	29	21.5

Coefficients:

	1 rail, 1 carriages
K₁	\|(ay+Y0)/Lx\|
K₂	(sy+Y0)/Lx
K₃	\|az/Lx\|
K₄	\|sx/Lx\|
K₅	sz/Lx
K₆	\|(sy+Y0)/Zm\|
K₇	\|sz/Zm\|

5th Step:

Check calculated load for both y and z with the Maximum Permissible Load table for Fymax and Fzmax (right). This table illustrates the maximum permissible load on a single gliding element from the DryLin T carriage. Evaluating the maximum load on a single gliding element establishes a safety factor for the linear system.