GB/T 33939-2017Vertical roller mill—Casting liner of the grinding roller and the grinding table—Requirement (English PDF)

Foreword

This standard is drafted in accordance with the rules given in GB/T 1.1-2009.

1 Scope

This standard specifies the terms and definitions of the vertical roller mill (hereinafter referred to as "vertical mill") roller and disc casting liner, grade and code, technology Requirements, test methods, inspection rules, marking, packaging, transportation and storage.

This standard applies to the grinding of the key wear-resistant grinding roller and grinding plate liner (hereinafter referred to as "liner").

2 Normative reference documents

The following documents are indispensable for the application of this document. For dated references, only the dated edition applies to this document. For undated references, the latest edition (including all modifications) applies to this document.

GB/T 223.11 Steel and alloys - Determination of chromium content - Visual titration or potentiometric titration

GB/T 223.18 Methods for chemical analysis of iron, steel and alloy - Sodium thiosulfate separation - iodometric method for the determination of copper content

GB/T 223.23 Iron and steel - Determination of nickel content - Butadiene oxime spectrophotometric method

GB/T 223.25 Methods for chemical analysis of iron, steel and alloy - The dibutyl ketoxime gravimetric method for the determination of nickel content

GB/T 223.26 Iron and steel - Determination of molybdenum content - Thiocyanate spectrophotometric method

GB/T 223.28 Methods for chemical analysis of iron, steel and alloy The alpha-benzooxime gravimetric method for the determination of molybdenum content

Iron and steel - Determination of tungsten content - Gravimetric method and spectrophotometric method

GB/T 223.59 Determination of phosphorus content of iron, steel and alloy - Bismuth phosphorus molybdenum blue spectrophotometric method and antimony phosphomolybdenum blue spectrophotometric method

GB/T 223.60 Methods for chemical analysis of iron, steel and alloy - Perchloric acid dehydration gravimetric method for the determination of silicon content

GB/T 223.64 Iron and steel - Determination of manganese content - Flame atomic absorption spectrometric method

GB/T 223.71 Methods for chemical analysis of iron, steel and alloy The post-combustion gravimetric method for the determination of carbon content

GB/T 223.72 Steel and alloys - Determination of sulfur content - Gravimetric method

GB/T 229 Metallic materials Chibi pendulum impact test method

GB/T 230.1 Metallic materials - Rockwell hardness test - Part 1: Test methods (A, B, C, D, E, F, G, H, K, N, T scales)

GB/T 5611 Casting Terminology

GB/T 5612 cast iron grade representation method

GB/T 6060.1 Surface roughness comparison Sample casting surface

GB/T 6414-1999 Casting Dimensional Tolerances and Machining Margin

GB/T 7233.1 Ultrasonic testing of cast steel - Part 1: General purpose castings

GB/T 8263 anti-wear white cast iron pieces

GB/T 9444-2007 Test of Magnetic Particles for Steel Castings

GB/T 11351-1989 Casting weight tolerance

GB/T 15056 Method for evaluation of casting surface roughness

GB/T 20066 Sampling and sample preparation methods for the determination of chemical constituents of steels and iron

GB/T 26652 wear resistant composite castings