We will respond to your concerns about measuring the depth of holes and the depth of seatings with custom gauges.
The most common use of a counterbore hole is to prevent the head of a bolt from protruding when fastening structures with bolts. It is necessary to create a hole that is deeper than the thickness of the bolt head and has a larger diameter. Depending on the shape of the bolt head, it may also be shaped like a funnel. When measuring a counterbore hole, the diameter and depth are the measurement targets. <Can it be measured with calipers?> It can be easily measured using calipers. However, it is necessary to find the maximum diameter when the calipers are applied to the hole. Skill is required for accurate measurement, which means there can be variability depending on the person. Additionally, since diameter and depth cannot be measured simultaneously, two measurement actions are required. <Want to measure easily and determine pass or fail> Using a dedicated measuring instrument (gauge) allows for easy measurement. Both diameter and depth can be measured simultaneously, and it is possible to determine pass or fail at a glance. This type of gauge is portable, making it possible to measure immediately near the production line. There are various methods for determining pass or fail, including evaluating with specific numerical values or visually assessing simply, so please consult us once.
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basic information
Please provide the product drawings and the drawings of the products you wish to measure, and our engineers will design the drawings based on the discussions. As our designers belong to the manufacturer, they have extensive knowledge of manufacturability, costs, and more. You can trust us with confidence. If you already have existing gauges or measuring instruments, we will design gauges with similar mechanisms, taking operability into consideration.
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Applications/Examples of results
Depth gauge Depth gauge Counterbore gauge Plug gauge with scale Taper gauge with scale Multi-stage (bamboo shoot shape) plug gauge, etc. Used by many companies in aerospace, automotive, machine tools, industrial equipment, and electrical industries. We also have numerous overseas delivery records.
Detailed information
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This is an example of a gauge for measuring hole depth. It can also measure features like snap ring grooves located deep within the hole.
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Company information
Watanabe Precision Industries Co., Ltd. is a company specializing in the design and manufacture of general gauges, comprehensive gauges, measurement gauges, machine gauges, inspection tools, jigs, and mold components. Recently, we have received many inquiries regarding the design and manufacture of test pieces, research test parts, spline gauges, and spherical gauges. If you have any questions related to splines and serrations, please feel free to consult with us.
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