Gear oil pump QX Series QX52-063/43-032R118-1

Hengmeisi Gear oil pump QX Series QX52-063/43-032R118-1 tandem internal gear pump matches Bucher QX series footprint. Dual sections deliver 63 and 32 cc/rev, enabling stable high-pressure output with minimal flow ripple. Precision engineered for long service life, it suits injection molding, die-casting, and power units. Reliable and economical.

2. Product Description

Hengmeisi QX52-063/43-032R118-1 gear oil pump belongs to Hengmeisi high-pressure tandem internal gear oil pump series. This Hengmeisi gear oil pump adopts a dual-pump integrated design with front pump displacement of 63cm³/rev and auxiliary pump displacement of 32cm³/rev. The dual-flow combination structure of Hengmeisi QX52-063/43-032R118-1 gear oil pump meets the dual demands of high-flow fast action and high-pressure precise clamping in complex hydraulic systems. This Hengmeisi gear oil pump maintains stable 210bar continuous working pressure, and the overall volumetric efficiency of the dual pump group reaches more than 97%.

Hengmeisi QX52-063/43-032R118-1 gear oil pump adopts unified clockwise rotation design and standard 118-1 special port and sealing configuration. This Hengmeisi gear oil pump adapts to a working speed range of 500r/min to 3000r/min, supporting constant-speed and variable-speed hydraulic system operation. Hengmeisi optimizes the gear tooth profile and internal flow channel of this dual gear oil pump. The upgraded structure of Hengmeisi QX52-063/43-032R118-1 gear oil pump reduces meshing loss and flow turbulence of dual pump units, effectively improving the overall working stability and service life of the gear oil pump.

QX42-025/42-020R44	QX53-063/41-040R	QXV43-020R246	QX33-012/21-016R	QX83-160/61-160/61-160R66-1
QX82-200/82-200/63-100R	QX41-050/42-032R29	QXP22-006R	QX41-063/43-032/21-016R	QX32-010R11
QXV26-006R179	QX32-016/32-016/32-016R09	QXT32-16/32-16//22-05/22-05/09	QXEH52-050R	QXEH52-040R
QX33-010/33-010R09	QX41-040R111	QXV26-008R04	QX82-200/53-063R	QX51-125/41-063/42-020R
QX62-080/41-063R	QX83-160/63-125R66	QX83-250/63-125R66	QXP22-005R	QXP32-010R

3. Core Product Advantages

3.1 Dual-Pump Integrated Design, Multi-Flow Output

Traditional single gear pump cannot meet the dual working requirements of fast feeding and high-pressure holding of industrial equipment. Hengmeisi QX52-063/43-032R118-1 gear oil pump integrates two independent high-precision gear pump units. The main pump of Hengmeisi gear oil pump provides large-flow rapid hydraulic power, while the auxiliary pump undertakes low-flow and high-pressure precise pressure maintaining work. This structural design realizes one pump with multiple functions, effectively simplifying the hydraulic system pipeline and reducing equipment assembly space and cost.

3.2 Stable High-Pressure Performance & High Efficiency

Hengmeisi QX52-063/43-032R118-1 gear oil pump adopts dual-group pressure balance compensation structure. Each pump unit of this Hengmeisi gear oil pump is equipped with an independent pressure balance system. The synchronous balance structure eliminates radial unbalanced load of the gear oil pump during operation. Hengmeisi QX52-063/43-032R118-1 gear oil pump stably maintains high-efficiency oil supply under long-term 210bar high-pressure working conditions, avoiding pressure drop and flow fluctuation of dual pump units.

3.3 Heavy-Duty Wear-Resistant Structure & Zero Leakage

The integrated pump body of Hengmeisi QX52-063/43-032R118-1 gear oil pump is made of high-strength thickened alloy cast iron, processed by one-piece CNC precision machining. The overall rigidity of Hengmeisi gear oil pump is strong enough to resist high-pressure impact and mechanical deformation. The dual gear pairs of Hengmeisi QX52-063/43-032R118-1 gear oil pump are made of high-quality alloy steel through carburizing and quenching treatment, with surface hardness up to HRC60, ensuring long-term wear-resistant operation of the dual pump groups.

Hengmeisi QX52-063/43-032R118-1 gear oil pump is equipped with 118-1 upgraded special composite sealing components. The enhanced sealing system of Hengmeisi gear oil pump adapts to -30℃ to +120℃ wide temperature environment. This Hengmeisi gear oil pump achieves zero leakage of dual pump units under rated high pressure, solving the common oil leakage failure of traditional tandem gear pumps. The matched high-precision bearings and anti-corrosion drive shafts further improve the overall durability of Hengmeisi gear oil pump.

3.4 Ultra-Low Noise & Synchronous Stable Operation

Hengmeisi QX52-063/43-032R118-1 gear oil pump adopts large overlap angle internal gear meshing technology for both main and auxiliary pumps. The optimized meshing structure fundamentally reduces gear meshing vibration and hydraulic pulsation of dual pump units. The full-load comprehensive running noise of Hengmeisi QX52-063/43-032R118-1 gear oil pump is controlled below 65dB. The low-vibration synchronous operation performance avoids equipment jitter and pipeline fatigue damage, ensuring quiet and stable operation of the entire hydraulic system.

3.5 Full Interchangeability & Strong Compatibility

Hengmeisi QX52-063/43-032R118-1 gear oil pump is 100% fully interchangeable with the original Bucher QX52-063/43-032R118-1 tandem gear pump. All installation dimensions, flange specifications, oil port positions and dual pump performance parameters of Hengmeisi gear oil pump are completely consistent with imported pumps. Customers can directly replace old imported tandem pumps with Hengmeisi QX52-063/43-032R118-1 gear oil pump without pipeline modification and parameter debugging. This Hengmeisi gear oil pump supports mineral oil, biodegradable fluid and fire-resistant hydraulic oil, adapting to various complex industrial working conditions.

4. Model Code Explanation

Hengmeisi QX52-063/43-032R118-1 gear oil pump adopts professional tandem pump standardized coding rules, and each code accurately defines the dual pump configuration and core parameters:

QX: Professional internal gear oil pump series developed by Hengmeisi, featuring high pressure resistance, high volumetric efficiency and low flow pulsation

52: Front pump series code, heavy-duty high-pressure grade, thickened pump body structure for long-term heavy-load operation

063: Front main pump displacement 63cm³/rev, large flow specification for rapid hydraulic action

43: Rear auxiliary pump series code, medium-pressure stable series, suitable for pressure holding and auxiliary power supply

032: Rear auxiliary pump displacement 32cm³/rev, precise small flow for high-pressure pressure maintaining system

R: Rotation direction mark, clockwise rotation for the tandem gear oil pump

118-1: Special customized oil port distance & enhanced sealing standard, dedicated for Bucher QX series tandem pump special installation, fully interchangeable

5. Product Structural Features

Hengmeisi QX52-063/43-032R118-1 gear oil pump adopts integrated tandem composite structure, composed of main pump gear pair, auxiliary pump gear pair, high-rigidity integral cast iron pump body, dual-group independent pressure balance plates and integrated silent bearing assembly. Hengmeisi uses symmetrical balanced gear design for both pump units. This structure eliminates radial unbalanced load of the dual pump groups and reduces synchronous running friction loss of Hengmeisi gear oil pump.

Hengmeisi QX52-063/43-032R118-1 gear oil pump is equipped with dual independent automatic pressure compensation systems. The internal balance plates of main and auxiliary pumps automatically adjust gear clearance according to real-time pressure changes. This core technology keeps both pump units of Hengmeisi gear oil pump in optimal working state synchronously. The stable matching clearance effectively suppresses internal leakage and flow deviation, ensuring long-term synchronous and efficient output of Hengmeisi QX52-063/43-032R118-1 gear oil pump.

All core components of Hengmeisi QX52-063/43-032R118-1 gear oil pump undergo precision grinding and strict dual-pump linkage durability tests. The one-piece forming pump body has strong pressure resistance, high temperature resistance and impact resistance. The excellent structural stability enables Hengmeisi QX52-063/43-032R118-1 gear oil pump to adapt to 24-hour uninterrupted heavy-load composite hydraulic system operation.

6. Application Scenarios

Plastic Injection Molding Machinery: Hengmeisi QX52-063/43-032R118-1 gear oil pump is specially used for large and medium injection molding machines. The dual-flow performance of Hengmeisi gear oil pump meets the requirements of fast mold opening and closing and high-pressure injection pressure maintaining, ensuring high-efficiency and high-precision molding of plastic products.

Metallurgy & Die-Casting Equipment: Hengmeisi QX52-063/43-032R118-1 gear oil pump adapts to hydraulic systems of die-casting machines and continuous casting equipment. The synchronous stable output of dual pump groups of Hengmeisi gear oil pump satisfies long-term heavy-load and high-frequency cyclic operation of metallurgical equipment.

Complex Industrial Hydraulic Stations: Hengmeisi QX52-063/43-032R118-1 gear oil pump serves as the core composite power source of multi-functional hydraulic stations. The dual-flow independent supply performance of Hengmeisi gear oil pump can meet the simultaneous operation requirements of multiple hydraulic actuators of industrial equipment.

Heavy-Duty Extrusion Machinery: Hengmeisi QX52-063/43-032R118-1 gear oil pump is applicable to hydraulic systems of extrusion and stretching equipment. The stable high-pressure and low-pulsation performance of Hengmeisi gear oil pump ensures uniform and stable material extrusion and improves product qualification rate.

Custom Industrial Hydraulic Systems: Hengmeisi QX52-063/43-032R118-1 gear oil pump is widely used in various customized composite hydraulic equipment. The compact integrated tandem structure and strong environmental adaptability of Hengmeisi gear oil pump effectively save installation space and reduce system failure rate.