Indirect method for measuring the groove width in a hole

The inner ring groove width S shown in Fig. 1 is sometimes inconvenient to measure with a universal measuring tool. Figure 2 shows our self-made spherical probe. The probe is placed on a micrometer fixed amount of anvil to measure the groove width in the hole. The measuring principle is the bow high string method. Change the known amount in the calculation formula. If (?)R and the bow height h are known, the chord length can be measured indirectly:

T-MOULDING

Name : T-MOULDING Vinyl flooring (spc flooring,click spc flooring)
Board Thickness : 4.0-7.0mm
Wearing Layer Thickness :0.3mm,0.5mm as regular
Surface Texture :Deep Grain,Wood Grain,Marble Grain,Stone,Carpet
Finish :UV-Coating
Installation :Click system(Unilin,Valinge)
Delivery Time :15-25 days
Size:6''*48''(150mm*1220mm)
7''*48''(182mm*1220mm)
9''*48''(230mm*1220mm)
9''*60''(230mm*1525mm)
Backing Foam :IXPE(1.0mm,1.5mm,2.0mm) EVA(1.0mm,1.5mm)
Density :2.07kg/m3
Surface :Wood Embossed,Deep Wood Embossed,Handscraped,Eir.
Usage :Bedroom,Kitchen,Basements,Home,School,Hospital,Mall,Commercial to use.
Features :Waterproof,Wear resistant,Anti-slip,Moisture Proof,Fireproof,durable, anti-scratch, anti-bacterail.

Market :Export to American,Canadian,European Market,Part Asia,Africa Countries.Australia Market

Warranty :10 years for commercial and 25 years for residential

Stone Plastic Composite vinyl flooring is more and more popular new style eco-friendly vinyl flooring. SPC rigid flooring is set apart from other types of vinyl flooring by its uniquely resilient core layer. This core is made from a combination of natural limestone powder, polyvinyl chloride and some stabilizers.
SPC vinyl is a luxury vinyl flooring option with a structurally rigid, 100% waterproof core. SPC is also known as rigid core vinyl, and we use these terms interchangeably. Rigid core engineered vinyl flooring is designed to look like wood or stone, but requires less upkeep.
This flooring is durable, waterproof, and perfect for DIY installation. It`s ideal for both home and commercial areas.

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JIANGSU PERFECT NEW MATERIAL TECHNOLOGY CO., LTD. , https://www.bffloor.com