Customizable Zq-Custom Reducer Free CAD, 3D-Printed Prototypes for OEM Machinery

The ZQ(H) type reducers are mainly applied to craning, mining, general chemistry.
Thextilin gan dligh tindustry The applicable conditions are as follows.
The gear transmission circle velocity no more than 4m/s_.
The wheeling speed of high_-speed axle no more than 1500r.pExperience the seamless
The actuating termperature ranging from_-40ºC to +40ºC
The reducer being applied to right and reverse direction 9transmission ratio_, 9 installing modes and
3 low_-speed axle edge types.

Changzhou Changyulong Reducer Co., Ltd stands as a beacon of expertise in the realm of cycloidal gear reducers, proudly holding the title of a seasoned and professional manufacturer. With a rich heritage of years steeped in production history, our company seamlessly integrates a robust enterprise management and technical framework. Our products are meticulously manufactured in strict alignment with JB298281 ministry standards and are lauded as qualified by the esteemed International Provincial Bureau of Standards. We are dedicated to delivering state-of-the-art cycloidal gear solutions for a modern age.
Our flagship cycloidal pinwheel reducer is a trailblazing transmission innovation, ingeniously crafted using the planetary transmission principle coupled with cycloidal pinwheel tooth meshing. This groundbreaking machine finds versatile applications across a spectrum of industries, ranging from textile printing and dyeing to light food industry, metallurgy, mining, petrochemical sectors, as well as in lifting, transportation, and construction machinery. It serves as the linchpin for both drive and speed modulation devices, setting the standard for industrial excellence.
Our factory's cycloidal reducer is a testament to superior quality and steadfast reliability, boasting a comprehensive range of specifications at highly competitive prices. In alignment with our core tenets of 'sincerity and credibility,' we steadfastly uphold the principles of 'quality first, customer foremost.' Our products have garnered widespread acclaim for their substantial technical and economic benefits, earning the trust and admiration of diverse industries through sincere and effective utilization.

ZQ Gear Reducer FAQ (English Version)

Q1: What are the main applications of ZQ reducers?

• Cranes & Hoists (e.g., overhead cranes, winches)
• Mining Machinery (conveyors, crushers, bucket elevators)
• Chemical Mixers (agitators, reactors)
• Textile/Steel Equipment (spinning machines, rolling mills)

• Max torque: 8,000~250,000 N·m (9 sizes, center distance 100~750mm)
• Speed ratio: 8.23:1~48.57:1 (9 standard ratios, ZQH model for 10% higher efficiency)
• Operates at ≤1500 RPM input, ≤10m/s gear circumferential speed (14m/s for ZQH).

Q2: How to select the right ZQ reducer model?

• Calculate required torque: T = 9550 × P / n × safety factor (1.5~2.5x for ).
• Example: A 10t crane needs 500N·m torque → Choose ZQ350 (rated torque 630N·m).

• 9 mounting styles: Foot-mounted (ZQ), flange-mounted (ZQF), hollow shaft (ZQK), etc.
• Output shaft options: Cylindrical (Z-type), gear-coupled (CA/C-type), or flange (F-type).

• IP54 standard (IP65 optional for wet/dusty sites like quarries).
• -40°C~+40°C operating temp; use low-viscosity oil (e.g., ISO VG 150) for <0°C.

Q3: What maintenance is required for new ZQ reducers?

• First oil change: After 200h (critical to remove metal particles), then every 5,000h or 1 year.
• Oil level check: Maintain oil at the midpoint of the sight glass (HJ40-50 oil or ISO 68 gear oil).
• Wear inspection: Allow ≤20% tooth surface scuffing in the first month; polish with a stone if ≥30% wear.

• Use magnetic drain plugs to catch metal debris.
• For 24/7 operation (e.g., port conveyors), install an oil cooler to reduce temperature by 15~20ºC.

Q4: Why is my ZQ reducer overheating or noisy?

•  Under-lubrication: Check oil level; add 0.5~1L if low.
•  Overload: Reduce load to <90% rated capacity; add a fan for continuous duty.
•  Oil degradation: Replace if oil turns black/viscous (normal color: amber).

•  Gear wear: Replace gears if backlash >2mm (ZQ350) or pitting >15% tooth area.
•  Bearing failure: Replace bearings  if clicking sounds occur.
•  Misalignment: Re-align couplings to ≤0.1mm offset (use laser alignment tool for precision).

Q5: Can ZQ reducers be customized for special needs?

• Explosion-proof: ATEX/IECEx for gas/dust environments (e.g., coal mines).
• Stainless steel: 316SS housing for corrosive liquids (chemical plants).
• High-speed: Modified helical gears for 18m/s circumferential speed (special conveyor systems).
• Mounting kits: Custom flanges/output shafts for OEM machinery (e.g., textile rollers).