In contrast, housings manufactured by substandard or less rigorous producers can lead to severe issues for the entire unit. These may include failure to achieve even 1 million cycles, assembly difficulties, insufficient strength predisposing to fracture during use, operational problems such as piston jamming, or even critical failures like air leakage. Such defects can ultimately cause substantial losses for both production lines and end customers. When military equipment experiences sudden piston seizure, gas leakage, or even core component fractures under extreme operating conditions — 90% of the root causes lie in seemingly ordinary housing components! Qinte Technology proudly introduces military-grade steel housings, built on high-quality 45-II-S round steel, designed to shatter the industry’s pain points with uncompromising military standards.
✅ Military-Grade Material for Unmatched Strength
Strictly compliant with GB/T699-2015 standard 45 round steel and raw material quality controlled per GB/T702-2017, we eliminate risks of “insufficient strength” at the source. Compared to substandard housings prone to cracking and short lifespans, our products undergo high-pressure precision casting and multi-axis CNC machining, ensuring stable operation for over 2 years or 3 million cycles—even in complex military environments.
✅ Micron-Level Precision for Effortless Assembly
Featuring IT11 general tolerances (bore H / shaft h / length JS) and GB/T1184-K geometric tolerances, critical dimensional tolerances are as tight as ±0.0015mm. Edges are chamfered to C0.1-0.2, and intersecting holes are meticulously deburred—effectively resolving long-standing issues like difficult assembly and misalignment. Post-plating dimensions are precisely maintained, with surface roughness reaching Ra3.2, free from scratches or indentations. True military-grade quality lies in the details.
✅ End-to-End Inspection for Zero Defects
From raw materials to finished products, every component undergoes comprehensive inspection using Zeiss CMMs, 3D scanners, roughness testers, and hardness testers. Each product is backed by dual certification: material and inspection reports. We reject inferior products with lifespans under 1 million cycles, employing rigorous quality control to secure R&D and production lines for military equipment.
From automotive and aerospace to CNC machining—wherever high-strength, highly stable core housings are essential, this military-grade solution is your optimal choice.
Precise tolerance features on these kinds of similar housings we can deliver:
With drawing: as low as
Machining accuracy:: + / – 0.0015mm
Surface roughness:: Ra0.8, Ra0.4
Parallelism: : + / – 0.0075mm
Flatness: : + / – 0.015mm
Verticality:: + / – 0.0075mm
Diameter:: + / – 0.003mm
Roundness: : + / – 0.0025mm
Straightness:: + / – 0.005mm
Profile:: + / – 0.008mm
Concentricity:: :: + / – 0.006mm
No drawing: ISO 2768 medium/GB/T 1804 / EN 22768-1/ASME B4.1
Relevant or similar Products: Aircraft Engine Blade / Aero-Engine Turbine Blade/Radar Structural Component / Radar Structural Assembly/Missile Housing /Missile Body /Missile Casing/Naval Vessel Component / Marine Component
Tank Armor Component / Armored Vehicle Part/Satellite Component / Aerospace Satellite Part/Hydraulic System Component/Optical Instrument Component/Communication Component, etc.
Machines:
3-axis, 4-axis & 5-axis CNC milling machine centers, CNC drilling tapping centers, Complex centers.
Machinable materials:
Aluminum, steel, stainless steel, copper, Iron, glass fiber/GRP, PP, POM, Titanium, PEEK, etc and other machinable materials (metal/plastic).
Surface treatment:
Electroplating, QPQ, chrome plating, phosphating, autocatalytic nickel coating, nitriding, black oxide, anodizing, electrophoresis, vacuum coating, powder coating, metal drawing, sandblasting, polishing, etc
Inspection equipment:
ZEISS CMM (Coordinate measuring machine), Renishaw’s Equator versatile gauge, 3D Scanner, Projector, Caliper, Micrometer, Roughness tester, Hardness gauges, Pressure gauges, Dial gauges, Dynamometers, Pneumatic gauges, GO/NOGO gauges, and various self-made inspection tools etc.
