- jaw crusher toggle seat casting
- toggle seat high manganese steel casting
- crushing plant wear part OEM supplier
Specifications
| Item | Specification |
|---|---|
| Material | High-manganese steel ZGMn13, ZGMn13Cr2, 42CrMo / AISI 4140, low-alloy wear steel |
| Process | Water glass lost wax investment casting for larger seats, silica sol lost wax for smaller seats; water toughening for manganese grades, quench and temper for alloy grades |
| Dimensional tolerance | ISO 8062 CT6 to CT8 on water glass parts, CT5 to CT6 on silica sol parts; contact face and mounting pads CNC machined |
| Surface finish | As-cast Ra 6.3 to 12.5 micrometres; machined contact face Ra 1.6 to 3.2 micrometres |
| Machining | CNC milling of toggle plate contact face, frame mounting pads and bolt hole pattern |
| Weight range | 6 to 40 kg per piece |
| Inspection and certificates | EN 10204 3.1 material certificate, hardness test, Charpy impact test, ultrasonic testing, magnetic particle inspection, dimensional report |
Key features
- High-manganese steel work hardens in service, so the toggle seat contact face gains hardness under crusher load.
- Water glass lost wax keeps tooling and unit cost proportionate for larger seats without giving up soundness in the load path.
- Contact face machined flat and square so the toggle plate seats fully and load spreads across the full width.
- Frame mounting pads and bolt hole pattern machined to the crusher frame drawing for direct fit replacement.
- Section thickness and riser layout designed with solidification simulation before tooling is cut.
- Water toughening treatment applied to manganese grades with full solution temperature and quench record per heat lot.
Applications
- Single toggle and double toggle jaw crushers in quarry primary crushing.
- Primary and secondary jaw crushers in mining plant and ore processing.
- Mobile and tracked jaw crushing plants in contracting fleets.
- Recycling crushers handling demolition concrete and asphalt.
- Aggregate production lines for road base and rail ballast.
- Spare and wear part programmes for crusher OEMs and plant operators.
Quality and compliance
Ningbo Ruican operates to IATF 16949 and ISO 9001 certification and delivers every jaw crusher toggle seat with an
EN 10204 3.1 material certificate tied to the production heat lot. PPAP and FAIR documentation is available on
request. High-manganese grades are water toughened with the solution temperature, soak time and quench conditions
recorded for each load, and verification includes hardness testing, Charpy impact testing at the specified test
temperature, ultrasonic testing of the heavy section behind the contact face, and magnetic particle inspection of
all machined surfaces. Dimensional reports cover the contact face flatness and the mounting pad positions. Heat
lot traceability is maintained from melt through heat treatment, machining and packing, with records retained
under the customer quality agreement.
FAQs
Should the toggle seat be high-manganese steel or alloy steel?
High-manganese steel such as ZGMn13Cr2 suits seats that see continuous impact from the toggle plate, because the
surface work hardens while the core stays tough. Where the load is steadier and dimensional stability matters
more, 42CrMo quenched and tempered is the better specification.
Why is water glass lost wax used for larger toggle seats?
For parts above roughly 15 kg where the critical surfaces are fully machined, water glass lost wax gives a sound
casting at a lower tooling and unit cost than silica sol, with the as-cast tolerance at CT6 to CT8. We confirm the
process choice after reviewing the drawing and the machining allowance.
Can you supply the seat to fit a specific crusher model?
Yes. We work from your drawing, or from a measured sample with a 3D scan, and reproduce the contact face profile,
frame mounting pads and bolt hole pattern for the crusher model you name.
How do you verify the heat treatment?
Each heat treatment load carries its own chart record and heat lot number. Manganese grades are checked for
solution treatment and quench conditions, and hardness and impact test results are reported on the EN 10204 3.1
certificate.
Do you inspect for internal defects behind the contact face?
Yes. Ultrasonic testing is performed on the heavy section behind the contact face before machining, and magnetic
particle inspection is carried out after the contact face and mounting pads are finished.
What is the lead time for a replacement toggle seat?
Tooling for a water glass lost wax seat is typically completed in about four weeks, with samples and the
certificate package in about three weeks and repeat deliveries in four to six weeks depending on quantity and heat
treatment.
Request a quotation: send your drawing or sample for the jaw crusher toggle seat to
Wendy She — sales@cnsandcasting.com — WhatsApp +86-13777124360
