Thomson currently has two account systems - one for the website and CAD model downloads, and one for e-commerce. We understand that two logins is an inconvenience and are working to consolidate our systems into one login process. Until we’re able to consolidate the two logins, please follow these guidelines:
A vertical offset of the rails across the axis will induce a roll moment onto the carriages. To
minimize the effect of this roll moment, tolerances for the vertical
offset may be found in the table below. This tolerance describes the
attributes of the mounting surface, perpendicular to the rail axis.
The maximum S1 allowed can be calculated by obtaining (S1/a) from the table below. Then using the following formula.