What is the typical output size?

The final particle size is adjustable, typically ranging from 3-10mm, depending on the material and crusher configuration.

How to maintain the crusher?

Regularly inspect and replace hammerheads and liners, lubricate bearings per guidelines, and check belt tension and motor alignment periodically.

Can the crusher be customized?

Yes, options include different motor power (15kW to 200kW+), adjustable crushing fineness, and specialized wear-resistant materials.

Two Rotor No-Screen Crusher for Limestone, Dolomite and Weathered Rock

Name: Two Rotor No-Screen Crusher for Limestone, Dolomite and Weathered Rock
Brand: HENAN WANBO MACHINERY MANUFACTURING CO.,LTD.
SKU: 2148865342

Henan, ChinaHENAN WANBO MACHINERY MANUFACTURING CO.,LTD.

US$2,000.00

1 set

Product specifications

Double-stage Crusher

Product profile

Customization

Available

Type

Double-Stage Screenless Bottom Crusher

Motor Type

AC Motor

Model NO.

SCF600x600

Motor Power

15kw

Application

Construction

Materials

Limestone

Outlet Size

150-300mm

Inlet Size

300×1300mm

Condition

New

Warranty

1 Year

After-sales Service

1 Year

Transport Package

No Packing

Specification

2200*900*1200

Trademark

Wanbo

Origin

China

Key features

Dual-Stage High Efficiency: Integrates two-stage crushing for finer output and higher efficiency in a single pass.

No Screen Clogging: Screenless design prevents blockages, handling wet, sticky, or fibrous materials effectively.

Wide Material Adaptability: Processes limestone, shale, coal, biomass, and waste with moisture content up to 25%.

Low Maintenance Design: Reinforced alloy hammerheads and wear-resistant liners reduce downtime and replacement needs.

Customizable Power Options: Motor power is customizable, ranging from 15kW to 200kW+ to fit specific needs.

Energy-Efficient Operation: Optimized rotor design reduces power consumption while maintaining high throughput capacity.

1-Year Warranty Coverage: Comprehensive 1-year warranty and after-sales service for peace of mind and support.

Fast Lead Time: Efficient production with an average lead time of within 15 workdays for timely delivery.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceMulti-language PioneerExperienced Team

HENAN WANBO MACHINERY MANUFACTURING CO.,LTD.

Henan, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 6 years CertifiedNearest Port: Qingdao PortAverage Response Time: ≤8.52h

AI-Powered supplier vetting

SummaryThe supplier is identified as a professional technical supplier offering 3D software design, R&D, ODM, OEM, and multiple customization options. It reports defined annual production capacities, two production lines, manufacturing contracts with associated subcontractors, inventory capability, and lead times within 15 workdays in both peak and off-season. Quality assurance, raw-material traceability, environmental assessment, and regular fire drills are reported. However, the supplier has no stated supplier-management certification, overseas warehouse, showroom, agent or branch, or offline trade-show participation. Financial information is represented only by years rather than interpretable financial results, so financial credibility cannot be assessed. Customer cases are not specifically documented.

Supplier typeThe supplier explicitly identifies itself as a professional technical supplier and reports R&D, 3D software design, ODM, and OEM capabilities. Its operations include two production lines and multiple equipment categories, supporting classification as a technical manufacturing supplier.

CertificationsThe supplier-management systems certification field is recorded as “NIL,” and no other certification is provided in the available information. This is explicit evidence that no supplier-management certification is reported.

R&D capabilityThe supplier reports professional R&D capability, new products developed during the past year, 3D software design, ODM services, and a total of two years of R&D engineer experience. It has no available SDK, but SDK availability is not sufficient by itself to negate the other explicitly reported innovation capabilities.

Production capacityReported annual capacities include 10,000 wet pan mills, 3,000 ball mills, 90 continuous carbonization furnaces, 120 charcoal-making machines, and 200 charcoal briquette machines. The supplier also reports two production lines, manufacturing contracts with associated subcontractors, inventory capability, and lead times within 15 workdays in both seasons, providing explicit evidence of production capacity.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization, alongside ODM and OEM services. These multiple stated service modes demonstrate broad customization capability.

Product Q&A

Q:What is a Dual-Stage Crusher?

A Dual-Stage Crusher is a high-efficiency machine that performs coarse and fine crushing in one unit using two rotor sets, eliminating the need for a bottom screen to prevent clogging.

Q:How does the crushing process work?

First, high-speed hammers perform initial coarse crushing. Then, secondary hammers or grinding plates further pulverize the material for a finer, uniform output.

Q:What materials can this crusher process?

It handles medium-hard and brittle materials like coal, limestone, shale, clay, gypsum, bricks, tiles, biomass, and waste construction materials.

Q:Can it crush wet or sticky materials?

Yes, the no-screen design allows processing materials with up to 25% moisture content without clogging, unlike traditional screened crushers.

Q:What are the advantages over single-stage crushers?

Advantages include higher efficiency, no screen blockage, lower maintenance due to fewer wear parts, and finer output in a single pass.