Angle square Flat square gauge. The flat ruler is used for checking the flatness of plates, long guideways, etc., by coloring and indicator gauge methods, and is also commonly used for checking the straightness of the edges of workpieces by light gap method. Generally used for... Cast iron manufacturing, rectangular levels can also be made of bearing steel or granite. The working surface of the level must not have defects such as sand holes, gas holes, cracks, inclusions, shrinkage cavities, scratches, dents, rust spots, etc., which significantly affect appearance and performance.
Flat Rules are categorized into Inspection Flat Rules, Parallel Flat Rules, Bridge Flat Rules, Angle Flat Rules, Granite Flat Rules, Marble Flat Rules, and Gabbro Flat Rules. Below is a detailed description of the product specifications for Angle Flat Rules.
Angle Level Application: ForJB/T7977-99Standard manufacturing, material:HT200-300The working surface is processed using lapping technology. This product is mainly used for measuring and lapping during the inspection and repair of machine tool guideways.
The product forms of angle levels include convex and concave types. Their specifications are as follows:500Concave500Convex750Concave750Protuberance1000Concave1000Protuberance1500Concave1500Protuberance.
Angle level angle:45Degree50Degree55Degree60Degrees. Currently, users are primarily using55Degrees are普遍.
Specs | Surface straightness or flatness | Two-face angleαAccuracy | ||
Precision Grade | ||||
1Grade | 2Grade | 1Grade | 2Grade | |
Protrusion45°55°60°90°120°×500 | 6 | 12 | ±1 | ±1.5 |
Concave45°55°60°90°120°×500 | 6 | 12 | ±1 | ±1.5 |
Convex45°55°60°90°120°×750 | 8 | 15 | ±1 | ±1.5 |
Concave45°55°60°90°120°×750 | 8 | 15 | ±1 | ±1.5 |
Protrusion45°55°60°90°120°×1000 | 9 | 18 | ±1 | ±1.5 |
Concave45°55°60°90°120°×1000 | 9 | 18 | ±1 | ±1.5 |
Convex45°55°60°90°120°×1500 | 15 | 30 | ±1 | ±1.5 |
Concave45°55°60°90°120°×1500 | 15 | 30 | ±1 | ±1. |

































