FAQs

General

Who Develops Measurement Standards?Who Develops Measurement Standards

Measurement standards are developed by a multitude of different organizations. Below is a list of some of the common names you will hear mentioned in quality and manufacturing circles:
Why should I have my gage blocks calibrated regularly?
  1. Regular service of your gage blocks will prolong their life. A.A. Jansson's unique reconditioning process will greatly improve the surface finish and wringability of your gage blocks and help ensure against expensive production errors.
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Does A.A. Jansson provide a rush service?
  1. Yes we do. Ask for our RUSH service and get you calibration service in 5 working days. There is an additional 30% charge added to you calibration cost.
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Does A.A. Jansson offer pickup and delivery?
  1. Yes we do. A.A. Jansson provides on site service throughout Michigan and northern Indiana and Ohio. Depending on our service schedule we can pick up gages when we are in the area. We are regularly in the greater Detroit Area and Northern Michigan. We have offices located in Waterford, and West Branch.
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Does A.A. Jansson manufacturer special size gage blocks?
  1. Yes we do. We will manufacture gage blocks to your special requirements. Just provide a blue print detailing your specification and we will provide the gage block. Materials include but not limited to, steel, chrome plate, ceramic, chrome carbide, and tungsten carbide. Prices are quoted upon request.
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Does A.A Jansson serialize gage blocks and other types of gages?
  1. We serialize gage blocks on a regular basis. We charge $1.50 per block and a $5.00 setup fee is applied for each different serial number. Other gages can be quoted upon request.
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Technical

How does the wringing action occur between two gage blocks?How to Wring Your Gage BlocksDownload Article
  1. Gage blocks "wring" together for two reasons. First, there is an adhesive action because of an ultra-thin film of oil or moisture between the blocks. Second, there is a molecular attraction, or bonding, between the blocks because of the very flat and parallel mating surfaces.
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How do I choose a plug gauge for my measurement application?Fixed Limit GaugingDownload Article
  1. Keep in mind that a Go plug has a plus tolerance and is designed to gauge the smallest acceptable hole size, and a NoGo plug has a negative tolerance, designed to gauge the largest acceptable hole size. Subsequently a Go gage should be able to pass through the hole and a NoGo plug gauge should not. This is why they call it Go NoGo gauging. Others call it Fixed Limit Gauging.
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