Rotary drilling rig lower roller, supporting wheel for Sany Rig SR220

Rotary drilling rig lower roller, supporting wheel for Sany Rig SR220

Our Website: Hunan HM Machinery Co.,Ltd.

Our Online Store: Hunan HM Machinery in Alibaba

Contact us: 

TEL: 0086-0731-84078482

Email: cecilia@hm-machinery.com

Quick Details

·         Place of Origin: Hunan, China (Mainland)

·         Brand Name: HM

·         Model Number: HMRU/LRSR220

·         Material: 40Mn2 50Mn

·         Color: Requirement

·         Model: HMRU/LRSR220

·         Advantage: Europe standard high quality

·         Application: Rotary drilling rig

·         Condition: 100%new

·         Warranty: 1year

·         Machine type: SR220 ZR220

·         Technique: Forging tempering friction welding frequency hardening

·         Product name: lower roller for Sany Rotary Drilling Rig

Packaging & Delivery

Packaging Details:	as per customer requirement
Delivery Detail:	Shipped in 3 days after payment

Product Description

Quality is our Bank

Lower Roller for Sany Rotary Drilling Rig SR220

Undercarriage Parts for Rotary Drilling Rig

Sany Rotary Drilling Rig SR220 Lower Roller
Part name	Lower roller for sany rotary drilling rig SR220
Part number	B229900001984
Suitable for Rotary Drilling Rig	SANY RIG 220,  ZOOMLION RIG 220
Guarantee	1 year

Product Details

F 1 lower roller structure and technical

1.Roller: Use the 40Mn2 or 50MN2 Steel materials with good hardenability to forging, after quenching and tempering and medium frequency hardening , surface hardness will be HRC55-60,and the depth of hardening will be 6-8mm, ensure the strength and wear resistance.
2.Pin: Use the 40Mn2 or 50MN Steel materials, after quenching and tempering and medium frequency hardening, the surface hardness will be HRC55-60, and the depth of the hardening will be 3-5mm, has good comprehensive mechanical performance.
3.Floating oil seal: Use the alloy of high chromium and molybdenum, hardness will be HRC65-72, the bright band is 0.1um-0.2um.
4.O-type sealing ring: Use the material Nitrile Rubber what made of Butadiene and Acrylonitrile, has high oil resistance and high temperature resistance.

F2 Specification for Lower roller of excavator/ Rotary Drilling Rig, Bulldozer 

F3 Rotary Drilling Rig Undercarriage Parts Application

Machine Brand	Rotary Drilling Rig Model
XCMG	XR460 XR400 XR360 XR280 XR260 XR 220 XR 180 XR 150 XR120D
SANY	SR150 SR200C SR220C SR250 SR260 SR280 SR360 SR460
BAUER	BG18 BG25 BG28 BG30 BG34 BG36 BG40 BG46
SUNWARD	SWDM15H SWDM20 SWDM25 SWDM28 SWDM36
ZOOMLION	ZR280 ZR360 ZR220 ZR180 ZR150
IMT	AF8 AF200 AF220 AF280 AF300
SOILMEC	SR40 SR60 SR80 SR95 SR105
	we can offer OEM according to your sample or drawing

F4 Manufacture Process

F 5  Rotary Drilling Rig Spare  Parts Warehouse

F6 Packing and Delivery

Our Company

F1 Factory and Office 

F2 Fair Show: Bauma China Exhibition-2010

FAQ

Q1.Are you a manufacturer or trading company?
- Yes, we have two factories and we are the leading manufacturer in China. Welcome if you have plan to visit our
factory and inspect the products.
Q2.How is your products quility?
- We manufacture products basic on serving our mother company which is a professional foundation construction company since 2003, we deal with machinery and spare parts problems and improve it
- With foundation construction company and manufacturers experience, we do know the important of the perfectness ratio of machine. Machine is our customer's bank and quality is our bank.
Q3.Do you accept sample order?
- Yes sure, please contact us for details.
Q4.How about your after-sales service?
As a manufacturer, we offer promote technology support for all problems and questions. 
Besides, we accept goods return or replace for quality problem.
Q5.Where is your factory located in?
Our factory is located in Changsha city,Hunan province, China.