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  • Users: Sa-Ro
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  1. Sa-Ro

    B10 life meaning

    Hi What is mean by B10 life. For example, B10 life is 1000 hours calculated from physical validation of part. Scenario A: Which means 10% of population may fail BEFORE 1000 hours. In a population of 100 parts, 10 parts may fail BEFORE 1000 hours. 10 parts failure may be at. 100, 200, 300...
  2. Sa-Ro

    Position tolerance - Offset feature

    Hi How to locate a hole - offset from center plane. Refer drawing. Which one is correct - Method A / Method B Thank you.
  3. Sa-Ro

    Profile tolerance for outer rectangle surface

    Hi I need to control the outer surface of the rectangle wrt bore as shown in image. Requirement: Outer surfaces to be equally located from bore center. Does the drawing representation right? Thank...
  4. Sa-Ro

    Maximum withstandability torque for a shaft

    Hi Refer the below images: Green part name: Manual override Function of the manual override: Rotate around its axis and the rotation stopped with the flat face at one end. When applying torque at screw driver slot, the manual override starts rotate. Rotation stops when the flat faces...
  5. Sa-Ro

    Volumetric flow calculation

    Hi.. Can we calculate volumetric flow for given data: Case 1: Orifice diameter, mm = 5 Inlet pressure, Bar = 6 Pressure drop, Bar = 1 Medium: Compressed air Case 2: Orifice diameter, mm = 5 Inlet pressure, Bar = 6 Pressure drop, Bar = 0 Medium: Compressed air Thank you.
  6. Sa-Ro

    Profile with all over and all around

    Hi It is a aluminium extrusion part. My requirement: Manufacturing variation shall be within 0.4 mm disposed outside of the true geometry. Option 1 (All Around): It will control the outer surface profile in the direction of symbol placed - 2 dimensional. Option 2 (All Over): It will...
  7. Sa-Ro

    Flexible component with profile of surface

    Hi My requirement: This is a flexible rubber component used for sealing purpose. The part variation shall be within 0.2 boundary from true geometry (Symmetrically disposed) Did I represented correctly? Thank...
  8. Sa-Ro

    Slot depth up to cylinder centre

    Hi Refer the image. My requirements are: 1) 20 width slot shall be symmetrical to 50 length. 2) Depth of the 20 slot shall be within 0.2 symmetrical from dia 10 center line. 3) 5 width slot shall be perpendicular to datum C. 4) Depth of the 5 slot shall be within 0.2 symmetrical from dia...
  9. Sa-Ro

    Three holes on same plane

    Dear All Our requirement: 1) Hole A1 and A2 shall be on same plane within variation of dia 0.05. 2) Hole A1 and A2 shall be symmetrical to hole B within variation of 0.05 along X axis. 3) Hole A1 and A2 shall be coincide with a plane passing thru hole B center axis within variation of 0.05...
  10. Sa-Ro

    Create custom symbols in Solidworks 2021

    Hi How can we create custom symbols in Solidworks 2021. we need "FLAG TRIANGLE" with numbers inside (A1-1, A1-2, B1-1, C1-4) Existing Flag tri symbol does not allow me to change these letters. Use case: We are trying to mark the revised dimensions with notations. Example: Initial part...
  11. Sa-Ro

    How to specify direction of surface roughness measurement

    Hi, I would like to specify the direction of surface roughness measurement. Ex: Consider a rectangle: 100 X 50 X 10. Roughness measurement length: 4 mm I need 0.8 roughness along 100 and 1.6 along 50 (or) 0.4 for each diameter of 10 mm. If the probe measures the roughness along 100 side...
  12. Sa-Ro

    Digital record - template and form number

    Hi We are planning to maintain some of the documented evidences in electronics form (Stored in oracle / sql database which can be retrieved). Example: Ticket reservation request is made digital. All required data can be filled in software and book the ticket. To show the evidence as ticket...
  13. Sa-Ro

    Zero setting on datum

    Refer figure 7.7 datum plane establishment from ASME Y14.5:2018 Doubt 1: Should I take measurements (dial/probe zero setting) from datum plane A (true geometry counter part of datum feature A) or Simulated datum plane A (plane derived from datum feature simulator such as surface table, chuck...
  14. Sa-Ro

    Perpendicularity

    Refer drawing. I have mentioned perpendicularity wrt A. Produced part is with in perp tol. But the tol zone is not perp to drawing view. In this case, part approved or not? Perp or parallelism or angularity tol zone should be perpendicular to the drawing view specified or can be in any...
  15. Sa-Ro

    Circular runout Vs Total runout tolerance

    Refer below image Circular runout should always less than total runout or greater than total runout or equal to total runout?
  16. Sa-Ro

    Pneumatic seal design

    Hi It is regarding pneumatic seal design. How will be the break loose force in single point and double point contact? Assume equal squeeze in both design.
  17. Sa-Ro

    .CSV to .arb

    I have Tektronix MSO 4 series oscilloscope to capture voltage signal. Saved this signal as .CSV file and transferred to Tektronix AFG 31021 arbitrary functio generator to modify. Now I want to use this modified arbitrary wave form in my GW Instek ASR 2100 programmable power supply which will...
  18. Sa-Ro

    Random pulse width square wave

    I would like to create random pulse width square wave as follows: ON time: 0.0 to 3.0 Milli second OFF time: 0.1 to 10.0 Milli second Voltage 5 VDC Number of cycle: Continuous Random pulse width square waves to be created from above conditions and save as CSV format to use as arbitrary...
  19. Sa-Ro

    Profile tolerance

    Hi Design requirements: Datum B surface shall be perpendicular to datum A. Hole shall be perp to datum B and located from datum A. Length 50, 9 height, angular, radius shall be equally separated from hole axes. Did I used correct GD&T? Shall I use all around with datum B to control the 4...
  20. Sa-Ro

    Section lable

    How to stop section label letter continue in second sheet. Ex: Sheet 1: Section label A to D. After copy paste the sheet 1, all section label in sheet 2 changed as E.

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