Sand Crusher

Single Rotor Sand Making Machine

CAPACITY

20-150t/h

FEED SIZE

≤700mm

Application areas：Limestone, shale, coal gangue, gypsum, dolomite and other medium-soft, brittle materials with suitable abrasiveness and moisture content.

Applicable materials：Single Rotor Sand Making Machine integrates the advantages of hammer crusher and impact crusher, and is suitable for crushing and making sand making operations of limestone, gangue, shale, and other raw materials.

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Introduction
Advantages
Working principle
Parameters

Product Overview

The PCK Series Single-Rotor Reversible Sand Making Machine is designed for the fine crushing and sand making of limestone, bluestone, dolomite, construction waste and similar materials.

Its plum-blossom rotor, diamond-shaped hammer plates, adjustable grate system and reversible crushing direction help improve wear-part utilization and maintain stable product gradation. With capacities ranging from 20 to 150 t/h, the machine is suitable for mines, quarries, cement plants and commercial concrete production facilities.

The grate type and the gap between the grate plate and hammer head can be configured according to the required particle size and fineness modulus.

Key Advantages

Plum-Blossom Rotor Design

The plum-blossom rotor and diamond-shaped hammer plate arrangement provide multiple crushing and grinding actions, supporting efficient fine crushing and sand production.

Wear-Resistant Hammer Shaft Holes

Tungsten-alloy steel sleeves are installed around the hammer shaft holes to improve resistance to wear and impact.

Reversible Hammer Utilization

The reversible rotor allows both working edges of the hammer heads to be used. This improves hammer utilization and reduces the frequency of manual hammer adjustment or replacement.

Lower-Power Single-Rotor Structure

The machine uses a relatively simple single-rotor structure. Compared with a double-rotor sand making machine of similar capacity, it is designed to provide lower power consumption and easier maintenance.

Customizable Grate Bars

Round-hole and elongated grate bars are available. The grate configuration can be selected according to the required discharge size, material characteristics and production objective.

Adjustable Crushing Gap

The gap between the hammer heads and grate plate can be adjusted to control crushing efficiency, product size distribution and fineness modulus.

Working Principle

Material enters the crushing chamber through the feed opening and is struck by the hammer heads mounted on the high-speed single rotor. The impact accelerates and breaks the material, which then undergoes repeated collision, crushing and grinding between the hammer heads, liners and grate system. Particles that reach the required size pass through the grate openings, while oversized particles remain in the chamber for further crushing. The discharge size and fineness modulus can be adjusted by changing the grate configuration and the gap between the hammer heads and grate plate.

Technical Parameters

Model	Rotor diameter*length (mm)	Feeding port size width*length (mm)	Motor power (kw)	Capacity (tph)
PCK0808	800x800	800x350	75	20-40
PCK1010	1000x1000	1000x400	55x2	40-50
PCK1013	1000x1300	1300x500	75x2	60-80
PCK1215	1200x1500	1500x500	110x2	80-100
PCK1318	1300x1800	1800x600	132x2	100-120
PCK1520	1500x1200	2000x700	160x2	120-150

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Frequently Asked Questions

A single rotor sand making machine is ideal for small to medium-scale manufactured sand production lines. It works best with medium-hard materials such as limestone, river pebble, and construction recycled aggregate, producing 0–5mm manufactured sand at capacities suited for regional sand supply operations.

Yes. When properly configured and combined with a downstream sand washing machine, the output can meet GB/T 14684 (China) and equivalent international standards for manufactured sand used in concrete and road construction.

The main wearing parts are the rotor impact blades, side liners, and bottom plate. For limestone or river pebbles, blade life typically ranges from 200–500 hours. Xingaonai uses high-chromium alloy materials to maximize wear resistance and offers fast spare parts supply globally.

Product size is controlled mainly through the grate opening and the adjustable gap between the hammer heads and grate plate. Different grate designs can be supplied according to the required gradation.

The rotor can operate in the reverse direction, allowing the opposite working edge of the hammer heads to be used. This improves hammer utilization and helps distribute wear more evenly.