Overview

Twin Shaft Concrete Mixer for Efficient Concrete Production

The JS Series Twin Shaft Concrete Mixer is designed for efficient and uniform concrete mixing in construction projects, concrete batching plants, precast concrete production and infrastructure projects.

With a twin-shaft forced mixing system, the mixer provides thorough mixing and consistent concrete quality, making it suitable for both standalone concrete production and integration with automatic batching plants.

The JS Series Concrete Mixer is a horizontal twin shaft forced concrete mixer developed for projects requiring reliable and consistent concrete mixing.

Compared with conventional drum mixers, the twin-shaft mixing system creates intensive mixing action between the two shafts, helping achieve a more homogeneous concrete mixture in a relatively short mixing cycle.

It can be used as the main mixer in stationary concrete batching plants or as an independent concrete mixing machine according to the customer’s production requirements.

Why Choose Us

Key Advantages

• Twin-shaft forced mixing system
• Fast and uniform concrete mixing
• Multiple models and capacities available
• Suitable for concrete batching plants
• Heavy-duty structure for demanding applications
• Easy maintenance and reliable operation

Features

1. Uniform Concrete Mixing

The twin horizontal shafts are equipped with mixing paddles that create intensive material movement inside the mixing chamber.

This helps achieve a uniform mixture of cement, aggregates, water and admixtures, making the mixer suitable for different concrete formulations.

2. Efficient Mixing Cycle

The forced mixing principle provides strong mixing action and efficient material exchange.

It is designed for projects where consistent concrete quality and continuous production are important.

3. Heavy-Duty Mixing Structure

The mixer is manufactured with a robust steel structure and wear-resistant mixing components.

The design is suitable for demanding construction environments and frequent operation.

4. Suitable for Concrete Batching Plants

JS Concrete Mixers can be integrated with automatic concrete batching plants to form a complete concrete production system.

Typical configurations include:

Aggregate Bins → Aggregate Weighing → Cement & Powder Weighing → Water Weighing → JS Twin Shaft Mixer → Concrete Discharge

This makes the JS mixer suitable for commercial concrete plants, infrastructure projects and construction contractors.

5. Flexible Configuration

Different mixer models can be selected according to:

• Required concrete output
• Aggregate size
• Concrete mix design
• Project scale
• Batching plant configuration
• Working conditions

Shanghe Machinery can provide mixer configurations according to the customer’s project requirements.

Application

1. Concrete Batching Plants

JS mixers are commonly used as the central mixer in stationary concrete batching plants.

2. Infrastructure Projects

Suitable for concrete production for:

• Roads
• Bridges
• Tunnels
• Dams
• Airports
• Industrial projects

3. Commercial Concrete Production

The mixer can be integrated into concrete production systems for commercial ready-mix concrete.

4. Precast Concrete

Suitable for concrete mixing applications where consistent mixing quality is required.

JS Concrete Mixer for Concrete Batching Plant

If you are looking for a twin shaft concrete mixer for a batching plant, the JS Series can be configured as the central mixing unit.

A complete batching plant may include:

Aggregate Storage → Aggregate Batching → Cement Batching → Water Batching → Admixture System → JS Mixer → Discharge System

The mixer model can be selected according to the required plant capacity.

For example:

Batching Plant Capacity	Possible Mixer
25 m³/h	JS500
35 m³/h	JS750
50 m³/h	JS1000
75 m³/h	JS1500
100 m³/h	JS2000
120–150 m³/h	JS3000

Need help selecting the right mixer? Contact our engineers with your required capacity and concrete application.

JS Mixer vs. Drum Concrete Mixer

Feature	JS Twin Shaft Mixer	Drum Concrete Mixer
Mixing Principle	Forced mixing	Drum mixing
Mixing Intensity	High	Moderate
Mixing Uniformity	High	Depends on material and operation
Typical Application	Batching plants & continuous production	Small construction projects
Production Scale	Medium to large	Small to medium
Plant Integration	Excellent	Limited
Suitable for Automatic Batching Plant	Yes	Usually not the main choice

Main Components

The JS Concrete Mixer mainly consists of:

• Mixing chamber
• Twin mixing shafts
• Mixing paddles
• Wear-resistant liners
• Drive system
• Gear reducer
• Discharge mechanism
• Lubrication system
• Supporting frame

The wear parts can be inspected and replaced during routine maintenance to help maintain mixing performance.

Working Principle

Step 1 — Material Feeding

Aggregates, cement, water and additives are weighed according to the concrete mix design.

Step 2 — Material Entering the Mixer

The materials enter the JS mixer through the feeding opening.

Step 3 — Twin Shaft Mixing

Two horizontal shafts rotate in opposite directions, driving the mixing paddles to move the materials through the mixing chamber.

Step 4 — Uniform Mixing

The intensive mixing action combines the different materials into a homogeneous concrete mixture.

Step 5 — Concrete Discharge

After the mixing cycle is completed, the discharge gate opens and the finished concrete is discharged to the truck, hopper or next production process.

Parameter

Specification	JS500	JS750	JS1000	JS1500	JS2000
Discharge Capacity (L)	500	750	1000	1500	2000
Feed Capacity (L)	800	1200	1600	2400	3200
Theoretical Yield (m³/h)	≈25	≈35	≈50–60	≈75–90	≈120
Maximum Aggregate Size (Pebble/Gravel)	≤40/50 mm	≤40/50 mm	≤60/80 mm	≤60/80 mm	≤80/100 mm
Cycle Time (s)	72	72	72/60	72/60	60
Overall Machine Weight (kg)	4000	5500	8700	11130	7500
Overall Dimensions (L × W × H) (mm)	3050 × 2530 × 2680	3110 × 2620 × 2580	4320 × 2200 × 3300	4720 × 2200 × 3000	3500 × 2400 × 2152
Mixing Blades
Rotating Speed (r/min)	35	26	29.6	23.5	24.5
Quantity	2 × 7	2 × 7	2 × 8	2 × 8	2 × 8
Mixing Motor
Motor Model	Y180M-4	Y200L-4	Y180M-4	Y180M-4	Y250M-6
Power (kW)	18.5	30	2 × 18.5	3 × 30	2 × 37

Specifications can be customized according to project requirements. Contact us for the latest technical specifications.

Project Cases

FAQ