High Precision Stainless Steel Hollow Shaft Used in Mining Machine

• Certification: ISO 9001:2008
• Standard: ASME, ASTM
• Surface Treatment: Polishing
• Manufacturing Process: Forging
• Material: Alloy Steel
• Name: Shaft
• Model NO.: Many models
• Heat Treatment: Q.T
• Shaft Shape: Hollow Axis
• Axis Shape: Straight Shaft
• Journal Surface Roughness: 2.5-0.63μm
• Transport Package: Fumigation Free Wooden Box
• Specification: steel
• Trademark: CITICTIC
• Origin: China
• HS Code: 8483109000
• Production Capacity: 3000pieces/Year

Product Description

High Precision Stainless Steel Hollow Shaft used in Mining Machine

Forging ability

CITICTIC holds a leading position in the forging market and we can handle a single piece forging weighing 400t (max) and also can roll rings of different sectional properties made from carbon steel, alloy steel, high temperature alloy and non-ferrous alloys such as copper alloy, aluminum alloy and titanium alloy. The maximum diameter of rolled forging is 5.5m and the heaviest piece weighs 10t.

Casting ability

CITICTIC can produce more than 260 high quality grade steels such as: carbon steel, structural alloy steel, structural steel, refractory steel and stainless steel (special purpose).

The maximum casting weights
Carbon Steel 600t
Grey Iron 30t
Spheroidal Graphite Iron 20t
Non ferrous 2.5t

Ball mill hollow shaft
Weight: 5-30T
Applicable device: ball mil, cement machinery
Application: Cement, metallurgy, building material and others
Customizable: Yes
 
Introduction
Hollow shaft is an important part of ball mill. Its function is bearing the rotary of ball mill shell. Technically, hollow shafts should not have below holes and sand holes on the neck of spherical tile and circular arc neck of shell connection. When producing, spherical tile needs grinding after part machining, to secure precision and smooth finish. This requires very high standard of casting technology.
Our main material for the Ball mill hollow shaft is similar to the followings:

Quality assurance 
The fabrication route is governed by the provisions of the implemented Quality System ISO 9001: 2000. The standard documentation ensures the full traceability of every process step: 
• Manufacturer test certificates according to DIN EN 10.204 § 3.1 including chemical composition, mechanical properties and non-destructive examination; 
• Dimensional check supported with a "as-built" sketch; 
• Record of the heat treatment chart;
 

NO	Item	structural features	processing measure	Test content
1	Cylinder	(1) massive structure (2)  L flange (3)  finite element analysis (4)  Surrounding the manhole mechanical processing	(1)union melt welding (2)  Whole annealing after welding (3)  polishing treatment (4)  Processing and ensure that both ends of the positioning alignment	(1)  Material certificate, review material machinery performance and chemical composition (2)  Cutting edge around the ultrasonic flaw detection (3)  Weld ultrasonic testing
2	End cap and Hollow shaft	(1)  High quality cast steel (2)   R rounded corners (3)  High strength bolts connected to the cylinder	(1) Molten steel refining outside the furnace (argon blowing and R - H vacuum processing) (2) Modelling using special sand, strict control of pouring temperature and casting speed (3) Shaft processing, assurance and coaxial degree and the roughness of the face	(1) Mechanical properties and chemical composition of casting billet (internal control standard) (2) Ultrasonic testing after rough machining (3) Ultrasonic testing and magnetic particle inspection after finishing

Our customers:



FAQ

Q: Are you trading company or manufacturer ?

A: We are manufacturer, our factory was established in 1981.

Q: How long is your delivery time?

A: Generally is 15-20 days, it is according to quantity.

Q: Do you provide samples ? is it free or extra ?

A: Due to our products are all customized, the sample may require higher costs. If customer willing to pay for the sample, we can provide it.

Q: What is your terms of payment ?

A: 30% of the total amount by TT as deposit, the balance to be paid by TT before the machines leaving seller' factory.
Or 100% irrevocable L/C at sight.