High precision small propeller

High precision small propeller

You are welcomed to come to our factory to buy the latest selling, low price, and high-quality High precision small propeller. We look forward to cooperating with you. The high-precision small propeller contains several identical blades, one of which is obtained by rotating the other blade 180 degrees around the axis of rotation, and each blade is composed of two curved surfaces: the upper surface and the lower surface; At the tip of the propeller, the upper surface curved surface is always convex from the leading edge to the trailing edge; from the root to 50% of the radius, the lower surface curved surface shows a downward convex shape.

Product display

Product introduction

1. The relative thickness of small propeller blades gradually decreases from the rotating shaft to the tip; the maximum relative thickness is 30%, the relative thickness at 50% radius is 8.67%, and the relative thickness at 60% radius is 7.07%, 70% The relative thickness is 6.87% at the radius, 6.04% at the 80% radius, 4.55% at the 90% radius, and 2.07% at the tip. From the propeller root to the propeller tip, the relative thickness and profile twist angle gradually decrease, and the profile chord length increases first and then decreases.
2. The trailing edge of the small propeller blade has a relative thickness, and the relative thickness gradually decreases from 50% radius to the blade tip. It is characterized in that, from 50% of the radius to the tip of the propeller, the curved surface of the lower surface presents a downward convex shape at 10% of the chord length of the leading edge, and is concave from 10% of the chord length to the trailing edge, and the degree of concave is from 50%. The radius gradually increases to the tip of the blade; the chord length gradually increases from the rotation axis to the 50% radius of the blade; from the 50% radius to the tip, the chord length gradually decreases; the maximum chord length is at 50% radius, the chord length gradually increases The length is 15% of the radius, the minimum chord is at the tip of the blade, and its chord is 6% of the radius. The twist angle of the blade profile gradually decreases from the root to the tip, the twist angle at the root is 40°, the twist angle at 50% radius is 22.5°, and the twist angle at the tip is 11°.

Product tolerance：+/-0.005mm

FAQ

Who we are?

Sunbright Precision Hardware (Huizhou) Co., LTD. is a metal parts manufacturer integrating development, design, production and sales. The company has advanced mold manufacturing and casting die-casting, forging, stamping, extrusion, turning and milling composite CNC machining, etc. Product assembly manufacturing capabilities. Products are widely used in communications, instruments, medical equipment, high-speed rail, trains, automobiles, aviation, automation equipment and other industries. According to the needs of customers, we provide one-stop services such as production, processing, polishing, oil injection, corrosion, electroplating and assembly of molds and hardware metal parts.

What services can we provide?

We can provide CNC turning, milling, turning and milling composite services, our metal mold processing services include stamping, die casting, forging, casting, powder metallurgy, and we also provide injection molding services, etc. We can provide you with more than 50 kinds of metals and plastics Materials, our more than two dozen surface treatments including electroplating, anodizing, painting, etc., can tailor a part solution for you according to your needs.

How do we guarantee quality?

Sunbright has successively passed ISO9001 certification, passed AS9100 aerospace quality management system standard certification, NDT-MT passed NADCAP certification, introduced ERP system in 2018, and implemented lean production in 2020. The company has a professional management team, strong technical force, advanced Production equipment, high-precision monitoring and measuring equipment, and perfect management system provide customers with high-quality products and services.

What equipment do we have?

Sunbright has more than 1,000 sets of CNC machining, EDM, punch, die-casting machines, forging equipment, casting equipment, and injection molding equipment, which can manufacture high-precision parts for you.Our testing equipment includes German ZEISS CMM three-coordinate instrument, German SPECTRO MAXx06 Spectrometer direct reading spectrometer, American Micro-Vu CMM optical three-coordinate instrument; American AD-2045 wet horizontal magnetic detector, American projector, Japan Mitutoyo profilometer, American pneumatic measuring instrument, Italian SYSTEM AFFRI hardness tester, German GARDNER gloss meter, Japan Keyence optical caliper and other precision testing equipment.

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