Vertical Shaft lmpact Crusher

VSI Impact Crusher for Higher Throughput and Superior Particle Shape

1. VSI impact Crusher Core Pain Points Solved

Are these challenges holding your aggregate operation back?

This summary outlines 5 core pain points encountered by DLVSI crushing equipment in actual production, with clear clarification of the production and operational consequences caused by each pain point, as well as the corresponding targeted solutions from DLVSI. The full content is as follows:

Insufficient Throughput

Core Pain Point: The equipment's material processing capacity cannot meet production requirements

Resulting Consequences: Directly creates a production line bottleneck, fails to match market order demand, and ultimately leads to lost orders

DLVSI Targeted Solution: Adopts a deep-cavity rotor design, which increases material throughput by 30%, with the equipment's maximum processing capacity reaching up to 1,000 tons per hour

Poor Particle Shape

Core Pain Point: The particle shape of the crushed material fails to meet standard requirements

Resulting Consequences: The finished product has an excessively high flakiness content, the manufactured sand quality is substandard, which triggers customer rejection and causes losses to product quality and market reputation

DLVSI Targeted Solution: Equipped with dual-mode crushing technology ("rock-on-rock" + "rock-on-iron"), which can produce cubic finished products, while the fineness modulus of the finished product supports flexible adjustment

Rapid Wear

Core Pain Point: The core components of the equipment wear quickly and have a short service life

Resulting Consequences: Frequent part replacements are required, resulting in excessive unplanned equipment downtime and a sharp increase in equipment operation and maintenance (O&M) costs

DLVSI Targeted Solution: Adopts material-on-material autogenous crushing technology, where metal components do not come into direct contact with the feed material, greatly reducing wear; meanwhile, a modular hammer head design is adopted, allowing individual replacement of a single hammer head, further reducing O&M costs and downtime

Frequent Bearing Overheating

Core Pain Point: The equipment bearings are prone to overheating failures, resulting in insufficient operational stability

Resulting Consequences: Triggers unplanned equipment shutdowns, and even causes production interruption of the entire production line, seriously affecting production continuity

DLVSI Targeted Solution: Configured with a PLC-controlled thin-oil lubrication system with constant temperature regulation function, adopts a dual-pump redundant oil supply design, which can automatically trigger shutdown protection when oil flow/pressure is lost, fully ensuring the stable operation of the bearings

Excessive Dust & Noise

Core Pain Point: The equipment generates a large amount of dust and noise during operation, failing to meet environmental protection indicators

Resulting Consequences: Fails to comply with environmental protection requirements, faces the risk of forced production suspension for rectification, and also affects the operating environment of the production site

DLVSI Targeted Solution: Adopts a vortex chamber air self-circulation design, which minimizes external exhaust from the equipment, achieves inherently low-noise operation from the structural level, and greatly reduces dust spillage, meeting environmental protection compliance requirements

2. VSI impact Crusher Differentiated Selling Points

USP 1: Deep-Cavity Rotor — 30% Higher Throughput

Conventional VSI sand makers hit a throughput ceiling due to limited material passage. Zhongyu Dingli's DLVSI series features a deep-cavity rotor design with greater impeller depth, allowing more material to pass per unit time. Take DLVSI1263 as an example: shaping capacity reaches 580 t/h, approximately 30% higher than conventional equipment of the same specification.

USP 2: Superior Cubic Particle Shape — Ultra-Low Flakiness

By freely switching between "rock-on-rock" (material impacting the material bed) and "rock-on-iron" (material impacting the anvil ring) crushing modes, feed material undergoes two or more cycles of impact, attrition, and grinding inside the vortex crushing chamber. The result: cubic-shaped finished product with extremely low flakiness content and adjustable fineness modulus — fully compliant with manufactured sand standards (e.g. ASTM C33 / BS EN 12620).

USP 3: Modular Hammer Heads — Maintenance Costs Cut by 50%+

Traditional sand maker hammer heads use a monolithic design — localized wear requires replacing the entire set. DLVSI series employs a modular, segmented hammer head design that allows individual replacement of worn hammer heads only, dramatically reducing spare parts consumption and maintenance expenditure.

USP 4: Intelligent Lubrication — More Stable Operation

Equipped with a PLC-controlled thin-oil lubrication system featuring:

• Dual oil pumps with redundant supply (one active, one standby)
• Automatic shutdown protection on oil flow or pressure loss
• Air-cooling + heating system, operational from -20°C to 50°C
• Constant-temperature spindle bearing operation for extended service life

3. VSI impact Crusher Structured Specification Tables

DLVSI 1140–1263 Series (Dual-Function: Sand Making + Shaping)

DLVSI Large-Model Series (High-Capacity Flagship)

Companion Lubrication Hydraulic Station

4. VSI impact Crusher User Scenarios

Scenario 1: Large-Scale Aggregate Line — Breaking the Capacity Bottleneck

Your upstream crushing is more than sufficient, but the sand-making / shaping stage has become the bottleneck? The DLVSI1263 delivers 580 t/h shaping capacity, perfectly matching 2,000–3,000 t/h class aggregate lines. For ultra-large mining operations, the DLVSI20100R provides 700–1,000 t/h processing capacity as the core workhorse.

Scenario 2: Manufactured Sand Shaping — Substandard Particle Shape Hurting Your Bottom Line

Finished sand has excessive flakiness and poor gradation — customers keep complaining and rejecting shipments? The DLVSI series uses dual-mode "rock-on-rock" + "rock-on-iron" crushing, freely switchable. Material undergoes multiple impact and grinding cycles inside the deep-cavity vortex chamber, producing well-rounded, adjustable-gradation finished sand that meets manufactured sand standards (GB/T 14684, ASTM C33, or equivalent).

Scenario 3: Mining Sand Production — Wear Costs Spiraling Out of Control

Processing granite, river pebbles, and other high-hardness materials causing severe equipment wear? The DLVSI employs autogenous rock-on-rock crushing — material impacts and fractures against itself inside the chamber; metal wear parts do not directly contact the feed, dramatically reducing wear. Combined with the modular hammer head design, you replace only worn segments — not the entire assembly — significantly cutting maintenance costs.

5. Real-World Case Studies

6. FAQ

Q1: What is the difference between a VSI vertical shaft impact crusher and a conventional sand maker?

Conventional sand makers (hammer-type, roller-type) suffer from high wear-part consumption and poor particle shape control. The DLVSI VSI crusher employs a deep-cavity rotor and rock-on-rock autogenous crushing principle, achieving 30% higher throughput than conventional equipment, cubic-shaped finished product, low flakiness content, and significantly longer wear-part service life.

Q2: What materials can the DLVSI impact crusher process? What are the feed size requirements?

It handles limestone, bluestone, river pebbles, granite, basalt, and various other rock types. For sand-making mode, feed size should be <40–50 mm (model-dependent); for shaping mode, feed size can go up to <50–60 mm. The DLVSI20100R large model accepts feed up to <200 mm.

Q3: What are the wear parts on a VSI sand maker? How long do they last?

Primary wear parts include the feed cone, impact blocks / hammer heads, peripheral guard plates, and discharge lining ring. Thanks to the autogenous crushing principle, metal component wear is minimal, and modular hammer heads can be replaced individually. When processing medium-hardness limestone, hammer head life can reach several hundred hours — actual duration depends on material hardness and operating conditions.

Zhongyu Dingli (est. 1987) is an international enterprise spanning the full building materials and mining industrial chain — intelligent manufacturing, mine design, and EPC construction. Total assets exceed RMB 10 billion, serving 10,000+ customers globally.

R&D & Quality: 25 national invention patents · 104 utility model patents · 6 international patents · 100+ proprietary products · dedicated in-house physical & chemical testing center.

Delivery Record: EPCO + Modular Plant Construction model — built a 10-million-tonne intelligent mine in 58 days, an industry record. 5,000+ production lines delivered, 100+ million tonnes annual installed capacity, projects across 10+ countries (Russia, Indonesia, Philippines, etc.).

Global Support: 30+ service centers · 1,000+ engineers · 30+ mobile service vehicles · 7×24 rapid response · direct spare parts supply.