FAQ

(B) How to use

• Q1

  Please tell me how to read the vernier scale.

  A1

  <How to read the vernier scale>
  ① Read the 0 position of the vernier scale Ⓐ in 1 mm increments on the scale of the main scale Ⓑ.
  (2) Of the scales in Ⓐ, read the scale Ⓒ that matches the scale in Ⓑ, and use that as the numerical value in units of 0.1 mm. (0.6 mm in the case of the right figure)
  ③ The sum of 1 and 2 is the reading value (30.6 mm in the case of the attached figure)

  

• Q2

  Please tell me how to read the micrometer head.

  A2

  <How to read the micrometer head scale>
  (1) Read how many mm the thimble end face is on the sleeve in 0.5 mm increments.
  (11.5 mm in the case of the figure on the right) (
  2) Read the thimble value at the position where the sleeve baseline and thimble scale line match.
  (0.36 mm in the case of the figure on the right)
  ③ The sum of 1 and 2 is the reading value. (11.86 mm in the case of the attached figure)

  

• Q3

  Can the stage be mounted upside down, sideways, or vertically?

  A3

  The listed specifications for our stages are based on being mounted horizontally on a flat surface. Many stages can be mounted upside down, sideways, or vertically, but it can affect the load capacity and accuracy. Be careful when choosing a stage that will be mounted in these ways.
  Refer to the "Definition of posture", "Conditions of use", and "Characteristic table by product" for more information.

  <Definition of posture>

  Top and bottom reversal	Side horizontal	Side vertical

  <Usage conditions>
  The load capacity of the "Characteristic table by product" in the table below is premised on use under the following conditions.
  　(1) The distance between the center of the stage surface and the center of gravity of the work is 1/2 or less of the stage surface size (example: 20 mm for stage size □ 40, 12.5 mm for □ 25)
  　2) The center of gravity of the work is within the stage surface
  　3) Stroke ± 0
  Since the overhang load is a moment load for the stage, consider the allowable moment load when using it.

  <Characteristic table by product>

  Classification (* 1)		Model number		Top and bottom reversal	Side
  		Standard	Standard		Horizontal	Vertical
  X-axis	Dovetail groove lead screw	XFES	XSL , XEG	Conditional	Conditional
  	Dovetail Rack & Pinion	XDTS	XWG , XFG
  	Cross roller	XCRS	XPG	Conditional	Conditional
  	Linear ball	XLBS (* 2)	XSG
  Horizontal Z axis	Rack-and-pinion	――――	ZLFG	Conditional	Conditional
  	Cross roller	――――	ZLPG	Unavailable	Unavailable
  	Linear ball	ZLLB	ZLTG
  Rotate	Ground joint type	RTRM	RPG	Conditional	Conditional
  	Cross roller bearing type	――――	RPGS	Conditional	Conditional
  Goniometer	Ant groove	――――	GFG	Conditional	Conditional
  	Cross roller	――――	GPG

  Yes: Same as horizontal load capacity
  Conditional: Approximately 1/3 of horizontal load capacity is a guide. (* 3)
  Unavailable: Cannot be used

  Please note that these values ​​are for reference only and are not covered by the warranty. Also, please check that it is assumed that the above "Terms of Use" are met.

  * 1 For products that do not apply, please contact us individually.
  * 2 The side vertical of XLBS is the same as ZLBS (19.6N).
  * 3 Please note that if the vertical load capacity (see Fig. A) is listed in the catalog, that will be given priority.

• Q4

  Is it okay to purchase and combine each axis?

  A4

  Yes, it is possible to combine them. Many stages use normalized measurements allowing them to be combined using nothing more than machine screws.
  You can combine them according to your usage conditions.
  If you combine them yourself, we cannot guarantee the degree of orthoganal alignment. Please use a square, dial guage, or alignment instrument of your choice to ensure orthoganal alignment.
  If the combination requires orthogonality and it is difficult for the customer to obtain accuracy by himself / herself, please contact us at stages@misumiusa.com.

• Q5

  Is it possible to change the specifications after purchase? Is it possible to purchase only the parts separately and change the position of the micrometer head and the clamp change by myself after purchasing the stage?

  A5

  Please note that we do not recommend modifying our stages yourself. Any modifications done by anyone other than the manufacturer are not covered under warranty and can affect the accuracy of the stage. If a modification is desired, please contact us at stages@misumiusa.com.

• Q6

  When I installed the stage, it didn't move as much as it did before it was installed. Is there any cause?

  A6

  (1) The surface accuracy of the stage mounting surface and the surface accuracy of the parts mounted on the stage affect the stage accuracy and movement.
  The recommended flatness is 0.01 mm or less.
  For details, see "Technical Information: Flatness of Mounting Surface" .
  
  (2) Is there any problem with the length of the bolt used? When fixing parts to the stage, select bolts that are less than or equal to the tap depth on the stage surface.

  Precautions about bolts used

  

  Examples of problems when using inappropriate bolts

  

• Q7

  For rotary stages, how do I calculate the rotation amount from the feed amount on the micrometer head?

  A7

  When moving from the center position of the micrometer head, it is possible to calculate the amount of rotation by displacement using trigonometric functions.
  Example) When the RPG60 is moved 0.01 mm from the center position of the micrometer head.
  Since the distance from the center of rotation to the micrometer head of RPG60 is 37.5 mm,
  the amount of rotation per scale (0.01 mm) = arctan (0.01 / 37.5) x (180 / π) x 3600 ≒ 55 (″).

• Q8

  Can the spring inside of the stage be replaced with a different spring?

  A8

  This is not recommended. The optimum tension for sliding resistance on each stage determines which spring is used. We cannot guarantee accuracy if the spring is changed.

• Q9

  I would like to move the stage more finely. Is there a mechanism that can be adjusted more finely than the standard micrometer head?

  A9

  By using a coarse / fine micrometer, adjustment with a minimum reading accuracy of 0.5 μm is possible.
  * Target products: XSKG , FSXR , FSXYR , FSZR

• Q10

  I would like to modify the manual stage in-house by adding a motor to it. Is this possible?

  A10

  This is not recommended. The specifications of stage modified in-house, in this fashion, cannot be guaranteed. Further more, a modification done outside of the manufacturer cannot be covered under warranty. Please send such customizatin inquiries to stages@misumiusa.com.

• Q11

  Can the clamp and micrometer head orientation be changed in-house by altering the position?

  A11

  We do not recommend doing this in-house. Required parts might differ depending on orientation. Also, this will void warranty.
  If a replacement is needed, please contact us at stages@misumiusa.com.