Cone Crusher Suppliers - Shenyang Shilong Mechanical Manufacturing CO.,Ltd.

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No.19-1 9A 204, Econmic and Technology Development Area, Shenyang,China.

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slm@chinaslm.net

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+8615840301386

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+86-24-31123242

Single swing Jaw Crusher

The single pendulum jaw crusher, a traditional primary crushing device, features a moving jaw swinging in a single arc around a suspension shaft, suitable for crushing materials with compressive strength ≤250 MPa (e.g., limestone, coal gangue) into 10–200 mm particles (crushing ratio 3–5). Its structure includes a frame, fixed/moving jaws, eccentric shaft transmission, shim adjustment, and toggle plate safety devices, characterized by simplicity and low cost. Manufacturing involves cast/welded frames, 40Cr eccentric shafts (forging ratio ≥2.5), and ZGMn13 jaw plates (water toughened). Quality control includes UT for castings, bearing coaxiality checks (≤0.1 mm), and load testing (≥90% particle size compliance). Widely used in small mines, construction materials, rural road building, and coal preprocessing, it offers economical reliability for low-budget, basic crushing needs, though with lower efficiency than double pendulum models.

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ZPE Series Jaw Crusher

The ZPE series jaw crusher, a specialized fine crushing equipment, is designed to reduce pre-crushed materials to 5–50 mm with a crushing ratio of 8–12. Its structure, optimized from the PE series, features a deep crushing chamber (15°–18° angle), double-wave high-chromium jaw plates, and a "small eccentricity + high speed" transmission system, paired with hydraulic adjustment and overload protection for precision and efficiency. Manufacturing involves CNC welding (frame), precision machining of 42CrMo eccentric shafts (eccentricity tolerance ±0.03 mm), and composite jaw plate casting (bond strength ≥200 MPa). Quality control includes wear testing (rate ≤0.1 mm/100 hours), hydraulic cycling checks, and particle size validation (≥90% ≤10 mm product at 10 mm discharge). Widely used in aggregate production, mining secondary crushing, and industrial waste processing, it offers superior fine crushing performance with lower flakiness (≤15%) and higher continuity, making it ideal for lines requiring ≤50 mm finished products.

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PE Series Jaw Crusher

The PE series jaw crusher (where "PE" stands for "Primary Crusher") is the most commonly used primary crushing equipment in industries such as mining, construction, and metallurgy. Renowned for its simple structure, large crushing ratio (typically 4–6), and wide adaptability to material hardness (capable of crushing ores and rocks with compressive strength ≤320 MPa), it serves as the "first-stage core" in material crushing production lines. Operating on the principle of "compressive crushing," it reduces large materials to a particle size suitable for subsequent processing (discharge opening adjustable from 10–300 mm) through the periodic opening and closing of the moving and fixed jaws.

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Jaw Crusher teeth plate

The jaw crusher teeth plate, a key wear component on fixed and movable jaws, crushes materials via compression/shear, guides flow, resists wear, and protects jaw bodies under 300 MPa stress. Structurally, it includes a 50–200 mm thick plate (Cr15–20, ZGMn13, or HT350) with 20–50 mm high teeth (30–80 mm spacing), back surface mounting features (T-slots, bolts), and reinforcement ribs. Manufactured via sand casting, high-chromium iron (1400–1450°C pouring) undergoes annealing/aging for HRC 55–65; ZGMn13 (1500–1550°C pouring) is water-quenched for work hardening. Machining refines mounts, with optional tooth polishing. Quality control includes composition checks, hardness testing, CMM dimensional inspection, UT/MPT for defects, ASTM G65 abrasion tests (≤0.8 g loss/1000 cycles), and field trials (500–2000 hours service life). It balances wear resistance and toughness for mining/construction applications

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Jaw Crusher rear wall

The rear wall, a key load-bearing component in jaw crushers, supports the toggle plate seat and withstands impact forces from the swing jaw via the toggle plate. Constructed from ZG35SiMn/Q355D, it comprises a main wall plate, toggle seat mounting features (recess/boss with bolt arrays), reinforcement ribs, and auxiliary structures (inspection holes, lifting lugs). Manufacturing involves cast steel casting (1500–1540°C pouring) with normalizing+tempering, followed by precision machining (toggle seat flatness ≤0.08 mm/m) and surface coating. Quality control includes MT/UT for defects, mechanical testing (tensile strength ≥550 MPa), and static load trials (1.5× rated load, deformation ≤0.1 mm/m). With a 4–6 year service life, it ensures stable force transmission and crusher rigidity through robust design and strict process control.

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Jaw Crusher Front wall

The front wall is a key component of jaw crushers' crushing chambers, supporting the fixed jaw plate and withstanding initial material impact. It consists of a main plate (ZG30Mn/Q355B), fixed jaw mounting structures (T-slots/bolts), connecting flanges, and reinforcement ribs, with optional wear liners and leakage-prevention lips. Manufacturing involves cast steel casting (1460–1500°C pouring) with stress-relief annealing, followed by precision machining (flatness ≤0.1 mm/m for mounting surfaces) and surface coating. Quality control includes MT/UT for defects, hardness testing (≥200 HBW), and load trials (1.2× rated force) to ensure ≤0.2 mm deformation. With a 3–5 year service life, it ensures stable crushing via structural rigidity and precise assembly, critical for feeding efficiency and material containment.

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