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Main Frame

Main Frame

What is Cone Crusher Main Frame?

The cone crusher main frame is the key load-bearing structure of crushing machines and the most essential part of the cone crusher. If any dimension is out of specification, stress will spread unevenly within the frame. This will trigger cracks, deformation and unexpected stops. The economic losses caused by such failures are often far greater than the cost of a new main frame.

Most cone crushers contains both upper and lower frame (topshell and bottomshell). The replacement frames are casted first, then be machined and finished to meet the required tolerance and fit on the cone crusher.

Modern day technology and pattern making guarantee SAIKUANG Casting cone crusher frames are casted correctly, ensuring the engineered integrity remains and provides years of trouble-free service.

 

Key Functions and Features

Structural Integrity and Support:The main frame forms a firm base for all key internal parts, including the mantle, concave liners, eccentric assembly and main shaft. Its sturdy structure keeps all components precisely aligned and running steadily. This is critical to stable crushing efficiency and consistent output quality.

Wear Resistance and Long Service Life:The main frame faces constant heavy loads and abrasive materials. It is normally made with strengthened sections or fitted with exchangeable wear plates. Such design extends its service life and lowers downtime caused by structural fatigue and damage.

Integration with Hydraulic and Adjustment Systems:Frames for modern cone crushers reserve built-in positions for hydraulic systems. These systems support important functions: closed-side setting adjustment, blockage clearing and overload protection. All systems are well integrated into the frame structure to guarantee safe and reliable operation.

Modular Design & Easy Maintenance:The main frame is designed for convenient servicing. It enables simple disassembly and easy access to internal components. This layout speeds up replacement of wear parts and shortens maintenance time.

Upper Frame

What is Top Shell (Upper Frame)?

The Upper Frame forms the upper section of the split main frame. It features a large outer flange and internal cavity space.

Core Functions

  1. The inner cavity provides installation space for adjustment ring, bowl assembly and concave liner.
  2. Its bottom flange connects securely to the Lower Frame to build an enclosed main frame structure.
  3. Withstands reaction forces generated during crushing, and keeps the upper crushing components well aligned for stable operation.
Lower Frame

What is Bottom Shell (Lower Frame)?

The Lower Frame acts as the lower base of the full main frame, generally designed as a cylindrical heavy casting.

Core Functions

  1. Houses key transmission components including main shaft, eccentric assembly, bevel gear set and thrust bearing.
  2. Reserved side flange for mounting the countershaft gearbox, where power enters the crusher.
  3. Serves as the base foundation of the whole cone crusher, supporting the entire top shell and all internal equipment.

Why SAIKUANG Casting Cone Crusher Main Frame?

SAIKUANG Casting cone crusher parts are trusted by crusher operators all over the world, due to their 100% adaptability and the same quality as the OEM parts.

Own foundry factory, from matrix casting to finishing, ensure the whole process is under quality control, offering premium quality yet affordable prices.

Strong manufacturing capabilities and high precision vertical lathe making that every component is delivered in strict accordance with OEM standards.

Supported Models*

Nordberg Symons Nordberg Omnicone Nordberg HP Series Nordberg GP Series Nordberg MP Series Metso MX Series Lokotrack LT Series
2′
3′
4′
4¼’
4800
5½’
5100
7′		 1144
1352
1560
937		 HP100
HP200
HP3
HP300
HP4
HP400
HP5
HP500
HP6
HP900		 GP100
GP100S
GP220
GP200S
GP330
GP300S
GP550
GP500S
GP7		 MP800
MP1000
MP1250
MP2500		 MX3
MX4		 LT200HPS
LT200HP
LT300HP
LT300GP
LT220D
LT330D
Terex Powerscreen Terex Finlay Terex Cedarapids Terex Cedarapids
1000 Maxtrak
1000SR
1150 Maxtrak
1300 Maxtrak
1500 Maxtrak		 C-1554
C-1550
C-1550P
C-1545
C-1545P
C-1540
C-1540P
C-1540RS		 TC1000
TC1150
TC1300
TG120
TG220
TG320
TG420
TG820
TG1020		 TGS120
TGS220
TGS320
TGS420
MVP380X
MVP450X
MVP550X
Sandvik CH Series Sandvik CS Series Sandvik QH Series
CH420
CH430
CH440
CH660
CH830i
CH840i
CH860i
CH865i
CH870i
CH890i
CH895i		 CS420
CS430
CS440
CS660
CS840i		 QH441
QH332
QS332
UH640
US440E
US440i
UH440i
UH440E
Flsmidth Raptor Series Telsmith Titan Series Telsmith SBS & SBX Series McCloskey C Series
Raptor 200
Raptor 300
Raptor 400
Raptor 500
Raptor 600
Raptor 900
Raptor 1000
Raptor 1100
Raptor 1300
Raptor 2000		 T200
T300
T400
T500		 38 SBS
44 SBS
52 SBS
57 SBS
68 SBS
44 SBX
52 SBX
57 SBX		 C2
C2R
C3
C3R
C4

*NOTE: All manufacturer names, part numbers, model numbers, and descriptions are used for reference and identification purposes only, they are owned by the respective machine manufacturer. All parts supplied are manufactured and warranted by SAIKUANG Casting and are not manufactured by or purchased from the Original Equipment Manufacturer. SAIKUANG Casting has no association with the OEM and does not intend to give this impression.