Knuckle
描述
Forged Aluminum Steering Knuckle (Three-Wheeler): Front Wheel Knuckle
This forged aluminum steering knuckle is the front-wheel knuckle of a three-wheeled motor vehicle. A central hub-bearing seat is surrounded by lower control arm and upper control arm pickup points, a steering tie-rod arm and brake caliper mounting ears, with an upright leading to the upper control arm. The knuckle ties together wheel, suspension and steering, carrying steering, braking and vertical loads at the same time.
With many branches and large section changes, the knuckle needs careful die planning. Al Forge Tech (AFT) plans blocker and finisher dies, closed-die hot forges the part to fill every arm with continuous grain flow, and applies in-house T6 heat treatment for strength. Multiple faces and holes are machined on 4.5-axis CNC machining centers to reduce re-clamping error, and hole relationships are confirmed on CMM.
主要功能
- Multi-branch shape closed-die hot forged with continuous grain flow
- Integrates bearing seat, arm pickups, steering arm and caliper ears
- 4.5-axis CNC multi-face machining reduces re-clamping error
- Hole positions and relative angles verified on CMM
Forged Aluminum Steering Knuckle (Three-Wheeler) Specifications and Manufacturing Capability
| 商品 | 詳細 |
|---|---|
| 產品類別 | 特殊車輛零配件 |
| 申請 | Three-wheeled motor vehicle front steering, powersport vehicle knuckles |
| 主要過程 | 閉式熱鍛造(熱鍛造壓機 600T–8,000T) |
| 材質 | Per customer specification; 6xxx alloys common for chassis and suspension parts (e.g. 6061, 6082, 6110), 7xxx evaluated for higher strength |
| 熱處理 | 根據合金與強度要求而提供的內部 T4 處理方案(8 套)及 T6 人工老化處理方案(7 套) |
| 二次加工 | CNC 加工(52 台加工中心、30 台銑床)、銑削、振動磨削 |
| 表面處理 | 按要求進行陽極氧化(包括硬陽極氧化)、噴射粉碎、電子塗層或塗漆。 |
| 檢查 | 蔡司 CMM(4 臺)、硬度測試儀、分光光譜儀、熒光穿透線;可提供抗拉強度測試和疲勞測試 |
| 尺寸與公差 | 按客戶提供2D/3D圖紙 |
| 品質管理系統 | IATF 16949:2016、ISO 14001:2015 |
Forged Aluminum Steering Knuckle (Three-Wheeler) Manufacturing Process
- 繪圖評估與 DFM我們確認合金、載荷方向和關鍵尺寸,然後執行 QForm 模擬,以預測金屬流動和缺陷風險。.
- 設計與製造銑刀組數(例如,阻斷刀和完成刀)視零件的複雜程度而定,銑刀輪廓則使用便攜式3D掃描儀進行檢查。.
- 熱鍛造600T–8,000T 熱鍛造壓 Presses 的閉式成形技術創造出持續的晶粒流,並遵循零件的輪廓。.
- 熱處理T4 溶液處理和 T6 人工老化處理均在廠內進行,參數由合金和強度要求設定。.
- CNC加工 以及完成孔、螺紋和接合面均經過機械加工,然後根據需要進行拋光、振動拋光、噴丸或陽極氧化處理。.
- 檢查與運輸尺寸、硬度及化學成分均通過 CMM、硬度測試儀及分光光度儀進行驗證,且所有批次的產品均遵照 IATF 16949 的標準進行追蹤。.
常見問題
What makes a multi-branch part like a knuckle difficult to forge?
The bearing seat has a thick section while the mounting arms are long and slender, so material must fill both at once. Poor distribution causes underfill at arm tips or laps where branches meet. AFT plans billet and preform shapes with QForm simulation, typically uses blocker and finisher die sets, and refines the dies based on experience so simulation and practice verify each other.
How is positional accuracy maintained across the knuckle’s holes?
The bearing bore, arm pickups, tie-rod hole and caliper mounting holes lie on different faces. AFT uses 4.5-axis CNC machining centers to reduce the number of setups so most features share one datum, with dedicated fixtures for location. Position and relative angles of each hole are then measured on Zeiss CMM.
Can you assess forging feasibility while the Forged Aluminum Steering Knuckle (Three-Wheeler) is still in design?
是的。Al Forge Tech 主要作為 OEM 供應商提供服務,我們的工程師可以在構思或繪圖階段就設計的可生產性(DFM)提供意見,例如調整薄邊緣、急切的切面變化或設計角度,以避免殘料和未填充區域。QForm 模擬能及早預測金屬流動,並與我們已有的模具設計經驗進行交叉核對。.
Is heat treatment for the Forged Aluminum Steering Knuckle (Three-Wheeler) done in-house?
Yes. Al Forge Tech operates 8 T4 solution treatment units and 7 T6 artificial aging units on site, so the Forged Aluminum Steering Knuckle (Three-Wheeler) can be solution treated, quenched and aged in the same facility before machining and inspection. Keeping heat treatment in-house removes inter-plant transport, reduces lead-time risk and keeps lot traceability within one quality system. Parameters are set according to the alloy grade and your specification.
How do you keep the Forged Aluminum Steering Knuckle (Three-Wheeler) consistent from lot to lot?
Al Forge Tech runs incoming (IQC), in-process (IPQC) and final (FQC) inspection under IATF 16949:2016, supported by 4 Zeiss CMMs, hardness testers, a spectrometer and a fluorescent penetrant inspection line. First, middle and last pieces of every lot are checked against the die; when wear causes dimensional drift, the die is reworked to keep the Forged Aluminum Steering Knuckle (Three-Wheeler) stable across lots.
Request a Quote for the Forged Aluminum Steering Knuckle (Three-Wheeler)
Developing a new Forged Aluminum Steering Knuckle (Three-Wheeler) or converting an existing part to aluminum forging? Send us your 3D/2D drawings, alloy and temper, annual volume and finishing requirements. Our engineering team will reply with a feasibility review, die plan and quotation.
- 線上查詢: 聯絡我們
- 電子郵件: [email protected]
若要比較相似的零件,請瀏覽 特殊車輛零配件 以及我們的 汽車鋁合金鍛造應用, 或參觀 公司簡介 關於我們的設備與認證。.


