案例

性能车轻量化 CNC 件:钛合金连杆/7075 支架,±0.005mm、小批量赛车项目
Sep 04,2026

性能车轻量化 CNC 件:钛合金连杆/7075 支架,±0.005mm、小批量赛车项目

赛车和性能车的轻量化零件,是 CNC 加工里最"过瘾"也最"较真"的一类:钛合金连杆、7075 铝合金支架,材料贵、批量小(一个赛季几十到几百件)、改版快,但每一件的材料批次、加工参数、检测数据都要能追溯——赛用零件出事不是钱的问题。

项目背景与挑战

一支赛车工程团队为其原型车开发轻量化底盘与动力零件:TC4 钛合金连杆(车削+铣削复合,公差 ±0.01mm)、7075-T6 铝合金悬架支架(孔位 ±0.005mm,表面阳极处理),首批各 80 件,后续按赛季迭代。此前在欧洲加工,单件价格高、沟通时差大、迭代一轮要一个多月。

难点:钛合金加工温度高、刀具磨损快,尺寸一致性难保证;7075 薄壁支架装夹变形敏感;小批量多迭代要求每轮都做首件全检,不能有"这轮凑合下轮再说"的心态。

BQUQ 的工艺方案

钛合金工艺包

TC4 连杆采用低速大切深加足量冷却的工艺窗口,专用涂层刀片管理刀具寿命曲线,每把刀的使用寿命建档,杜绝"刀具磨损后期尺寸漂移";7075 支架用软爪+真空吸盘组合装夹,粗精分开中间去应力,薄壁部位局部支撑。

全流程可追溯

每件零件打独立追溯号,材料炉号、加工设备、操作员、检测数据全部对应存档;按批次附全尺寸报告与材料证明,满足赛用零件的文件要求。

关键参数

项目参数
材料TC4 钛合金 / 7075-T6 铝合金
孔位公差±0.005mm(7075 支架)
表面Ra0.4 配合面;铝件阳极氧化可选
批量50–200 件/批,按赛季迭代
追溯单件追溯号,材料/设备/检测全存档
交付首件样件 7 天,批量 2 周

质量管控与交付

每轮迭代首件全尺寸确认后放行;钛合金件做硬度与材料复验,关键尺寸 CPK 随批附报告。样件 7 天、批量 2 周交付,赛季迭代改版 48 小时响应,单件成本较欧洲供应商下降明显。

相关产品与资源

想了解更多同类零件与批量加工能力,可进入 CNC车削件 类目页,或直接查看以下同类产品:

相关问答:CNC 加工如何加速从原型到量产。更多制造问答,可到 问答中心 查看。

关于交付能力、设备与质量体系,可访问 关于 BQUQ实力工厂 页面。

FAQ

钛合金加工费贵吗?交期会不会很长?

钛合金比铝合金贵是材料与刀具成本决定的,但小批量件我们按工艺包管理刀具寿命,价格可控;样件 7 天、批量 2 周,比海外供应商快得多。

赛用零件的追溯文件能齐吗?

能。单件追溯号对应材料炉号、设备、人员与检测数据,全尺寸报告和材料证明随批交付,符合赛用零件的文件要求。

只有几十件也接吗?

接。多工艺小批量产线就是干这个的,50 件起批无压力,改版换型 48 小时出样。



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