Propeller Housing/Marine equipment precision part

Products Details

The propulsion shell is mainly used to install the propulsion system of aerial vehicles such as drones. The propulsion shell is a critical component that protects and supports the internal structure and components of the propulsion system, ensuring its proper operation. The propulsion shell is typically made of high-strength, lightweight aluminum alloy materials to meet the weight and strength requirements of the drone during high-speed movement and flight. Additionally, the propulsion shell has excellent corrosion resistance and durability to ensure proper operation of the drone in complex environments.The propulsion shell is an important component used on aerial vehicles such as drones. It is typically made of high-strength, lightweight aluminum alloy materials (such as A5083), which provide excellent corrosion resistance and durability. The design of the propulsion shell typically features a streamlined shape to reduce drag and improve flight efficiency, and its surface is usually treated to provide a certain degree of corrosion resistance and wear resistance. Machining the propulsion shell is difficult and requires the use of advanced CNC machining centers and auxiliary equipment to ensure machining accuracy and surface quality.

Machinery Process

Materials Option

Finish Option

CNC Milling CNC Turning CNC Grinding Precision Wire Cutting

Aluminum alloy

A6061A50522A17075 , etc.


Galvanized, Gold Plating, Nickel Plating, Chrome Plating, Zinc nickel alloy,  Titanium Plating,Ion Plating

Stainless steel



Hard oxidation ,Clear Anodized,Color Anodized

Carbon steel



Hydrophilic coatingHydrophobic coatingVacuum coatingDiamond Like CarbonDLC)、PVD (Golden TiN; Black:TiC, Silver:CrN)

Tungsten steel


Polymer material



Mechanical polishing, electrolytic polishing, chemical polishing and nano polishing


Machine List


CNC Milling CNC Turning CNC Grinding Precision Wire Cutting

Five-axis Machining Four Axis Horizontal Four Axis Vertical Gantry Machining High Speed Drilling Machining Three Axis Core Walking Knife Feeder CNC Lathe Vertical Lath Big Water Mill Plane Grinding Internal And External Grinding Precision jogging wire EDM-processes Wire cutting

Service Scope:Prototype & Mass Production Fast Delivery :5-15Days Accuracy :100~3μm Finishes: Customized for request Reliable Quality Control:IQC,IPQC,OQC

GPM Intelligent Technology(Guangdong) Co., Ltd. was established in 2004, with a registered capital of 68 million yuan, located in the world manufacturing city – Dongguan. With the plant area of 100,000 square meters, 1000+ employees, R&D personnel accounted for more than 30%. We focus on providing precision parts machinery and assembly in precision instruments, optics, robotics, new energy, biomedical, semiconductor, nuclear power, shipbuilding, marine engineering, aerospace and other fields. GPM has also set up an international multilingual industrial service network with a Japanese technology R&D center and sales office, a German sales office. GPM has ISO9001, ISO13485, ISO14001, IATF16949 system certification, the title of National high-tech enterprise. Based on the multi-nationality technology management team with an average of 20 years’ experience and high-end hardware equipment, and quality management system implemented, GPM has been continuously trusted and praised by top-tier customers.1.Can I visit the factory? Our company is located in Shipai Town, Dongguan, the world's manufacturing center. We welcome friends from all over the world to visit our factory and discuss cooperation at any time. will make material reserves in advance according to the fluctuation of material prices to maintain the stability of material prices. After your company contacts us and submits drawings and related information, our engineers will give corresponding quotations according to materials and processing requirements. 2.What are the company's payment terms?  Our payment terms are 50% deposit and the balance shall be paid before shipment. 3.What are your quality control measures? Answer: We adopt strict quality control system in the production process, including strict inspection and testing from raw material procurement to production to ensure quality and compliance with standards and requirements. We also conduct regular internal and external quality audits and evaluations to ensure continuous improvement and optimization.

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