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Ball Mill End Cap

Material: Carbon steel, alloy steel or according to customer's requirements ; Application: Cement/ Mill and Kilns;Mining and Minerals/Rotary Dryers; Certification: ISO 9001
Product Details:

Ball mill is mainly composed of cylinder, feeding end cover and discharging end cover, main bearing, feeding bushing, discharging bushing, power equipment, etc.

Ball mill end cover is one of the key part of ball mill, its structure is relatively complex, long production cycle, high precision of processing and assembling, so when compiling process routes, should fully consider its manufacturability.


Forging/Casting – Normalizing & Tempering – Proof Machining- Quenching & Tempering – Finish Machining


Chemical Composition Report, Mechanical Properties Report, UT Report, Heat Treatment Report, Dimensions Check Report

The data on chemical composition report and mechanical properties report are approved by third party.

UT test: 100% ultrasonic test according to EN10228-3, SA388, Sep 1921 C/c etc.

Heat Treatment Report: provide original copy of heat treatment curve/time table.

Steel Ingot: EAF-LF-VD/ESR. Material Certificate according to En10204-3.1 is requested from ingot supplier.


Ball mill end cover is mainly applied to the cement and mining facilities, and equiped with all kinds of ball grinding mills' gears.

Product name

Mill end cap


Carbon steel,Carburizing steel,quenched and tempered steel   

Heat treatment

Normalizing,annealing,quenching&tempering,surface quenching,case hardening


CNC lathing,CNC Milling,CNC Boring,CNC Grinding,CNC Drilling

Main Equipments

1.6m,5m CNC Vertical Lathe,5m,8m,12m Horizontal lathe,2.2m,3m,4m,6m CNC Gantry boring and milling machine, 2sets CNC Machinging center VMC 850L, 6m CNC Boring machine, 2sets 2M CNC Grinding machine,50mm,80mm drilling machine, hobbing and shaping gear machine, automatic feeding machine,bending machine,plate shearing machine,press machine,etc.

Diameter of mill end cap:

Max. 8000mm

Height of mill end cap:



Chemical composition test,Ultrasonic test,Magnetic test,Tensile strength test,Impact Test,Hardness Test,Dimension test



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