STC 1000 MT

Construction Principle 

• Thermo-symmetrical design
• Elements of closed welded design
• Extremely stable and low vibration
• Optimized using the FE method
• High running and positioning accuracy
• Short positioning and start-up times thanks to high acceleration
   

Spindles

Motor spindles

• Concentrically mounted water-cooled high-performance synchronous motor (15‘000 rpm)
• Oil-air lubrication directly through the outer ring (direct lubrication system)
• Variable hydraulic bearing pretensioning
• Vector control with constant torque up to the corner speed, thereafter constant power
• Internal coolant supply as standard
• Sensors for bearing temperature, thermal spindle growth with compensation and in-process vibration monitoring
• MT version has hydraulic spindle clamping

Gear-driven spindle

• Drive via two-step gearbox
• Torque 940 Nm or 1'300 Nm
• Large dimensioned precision hybrid bearings
• Oil-air lubrication system
• Internal coolant supply as standard
• MT version has axial interlocking for locking the spindle during the turning process
   

Round Table

Table assembly / MT

• CNC rotary table as fourth simultaneous axis with 500 rpm
• Pallet interface with clamping arches
• Drive with high torque and damping
• Hydrostatic B axis clamping
   

Rotatable Head 

A axis

• Simultaneously controlled fifth CNC axis
• Stable roller bearings on both sides
• High positioning accuracy through a direct optical distance measuring system
• Robust worm wheel drive
• High driving torque
• Hydraulic axis clamping and axis dampening
• Even suitable for heavy-duty cutting

Control and System Capability 

• NCU with the highest extension stage
• Contour fidelity during high-speed machining through look-ahead feature and dynamic preselection
• Drive parameter adjustment depending on the machining
• Control cabinet with air conditioning unit

Smart operating 

Control behavior and NC path planning are developed and optimized in great detail to achieve the perfect combination of geometrical accuracy, surface quality and of course productivity. Depending on the required application, the machine can be optimally configured using five settings: roughing, pre-finishing, fast finishing, finishing and super finishing.

Monitoring

• Process analyses and stability evaluations can be made easily with integrated sensors and evaluation routines.
• Collision damage is significantly reduced thanks to rapid crash detection and machine stop. This is an excellent addition to Starrag’s simulation solutions to avoid expensive machine downtime.
• The imbalance of all tools and the state of the spindle bearings are automatically monitored.
   

Measurement

• Absolute optical measurement system for all five linear and rotary axis

电机主轴

• 同轴安装的水冷式高性能同步电动机（15,000 转每分）
• 直接通过外环进行的油/气润滑（直接润滑系统）
• 可变液压轴承预拉伸
• 矢量控制，从恒力矩到角速度，下文称为恒功率
• 内部冷却液作为标准配备提供
• 轴承温度传感器，主轴热补偿和运行中的振动监测
• MT 版本采用液压主轴夹紧

齿轮驱动主轴

• 通过两级齿轮箱驱动
• 扭矩 940 牛米或 1,300 牛米
• 大尺寸精密混合轴承
• 油/气润滑系统
• 内部冷却液作为标准配备提供
• MT 版本带有轴向联锁，用于在车削过程中锁定主轴

A 轴

• 同步控制的第五数控轴
• 两侧稳定的滚柱轴承
• 通过直接光纤距离测量系统实现高定位精度
• 强劲的蜗轮驱动
• 高驱动扭矩
• 液压轴夹紧和轴的减震
• 同样适合重切削

工作台总成/130

• 作为第四同步轴的数控转台
• 带夹紧圆拱的托盘接口
• 带高扭矩和减震功能的驱动
• 静压 B 轴夹紧

工作台总成/MT

• 作为第四同步轴或车削轴的数控转台
• 水冷式直接驱动
• 适合高负载甚至车削作业的坚硬轴承
• B 轴液压夹紧

特殊的工件几何图形对夹具具有特殊要求。斯达拉格的内部专家开发出个性化的夹具概念，以符合各个工件的特殊要求。斯达拉格提供了以下优势：

• 部分优化的夹具适用于高效的粗加工和无变形精加工。
• 可采用机械、气动、液压或真空夹紧方案。
• 可直接在托盘上接触到介质端口。
• 介质夹紧解决方案可包括在灵活的生产系统中。

• 选装液压或真空耦合设备
• 通过升降旋转系统进行快速托盘交换

STC 机床配备由斯达拉格集团生产的最先进的刀库和换刀装置。凭借刀具数量从 60 到 465 的一系列刀库（HSK-A100/ISO 50/HSKA63），确保为所有应用选择恰当的解决方案。斯达拉格链式和塔式刀库具有下列优势：

• 经过大量机床测试的快速、可靠的设计。
• 在加工过程中装载刀具。
• 范围广泛的刀库尺寸和选项。
• 超大刀具的专用解决方案。对于斯达拉格，可采用 FMS 中具有刀具破损检测、刀具编码、自动化刀具输送等功能的刀库。也可以将刀具自动加载至弯头中。无论是何应用，斯达拉格均可为该作业提供正确的解决方案。

实现最低刀具成本和最高生产率的一个主要因素是选择恰当的冷却工艺。STC 机床系列提供了所有最先进的直通主轴冷却选项：

• 水基冷却液或油液的高压冷却（压力最大为 100 巴/1,450 磅/平方英寸，尽可能接近于切削区）
• 通过主轴空气
• 气雾剂（最低量润滑）

当然也可采用外部冷却。通过这些选项，可实现较长的刀具寿命和最低的整体成本。

• 纵向床中的双排屑器
• 带工件喷淋功能的综合清洗系统

• 带最高延伸台的 NCU
• 通过预见性特征和动态预选进行高速加工时的轮廓精确度
• 传动参数调节，取决于加工
• 图形诊断系统 «SAM» 和远程服务
• 带空调单元的控制柜

Additional Equipment 

• Emission extractor
• Rotating disk window
• Conditioning unit for compressed air
• Camera system for process monitoring
• Handheld unit
• Compresser temperature cooling unit for coolant conditioning
• Increased geometric accuracy
• Remote diagnosis
• Warm up program
• Tool coding

• 所有需要定期维护的组件均易于操作
• 例如过滤器、刮水器等更换零件均易于操作
• 需要维护的机床组件易于操作和维修
• 为维护人员提供安全工作区域，例如平台和固定点
• 基于状态监控机器可预测组件的潜在故障

• 排放机
• 旋转盘窗口
• 压缩空气调节装置
• 用于过程监控的相机系统
• 手持设备
• 用于冷却液调节的压缩机温度冷却装置
• 增加的几何精度
• 远程诊断
• 预热程序
• 刀具编码

Fixturing Concepts

The special workpiece geometries create specific demands on the clamping fixtures. Starrag has in-house specialists who develop individual clamping concepts to meet the specific requirements of the individual workpiece. Starrag offers the following advantages:

• Part optimized fixturing for both efficient roughing and distortion free finishing.
• Mechanical, pneumatic, hydraulic or vacuum clamping solutions can be implemented.
• Media ports are accessible directly on the pallet.
• Media clamping solutions can be included into flexible manufacturing systems.
   

Workpiece handling

• Optional hydraulic or vacuum coupling device
• Quick pallet change with lift-rotate system
   

Tool Handling

The STC machines are equipped with state-of-the-art tool magazines and tool changers manufactured by the Starrag Group. With a range of tool magazines from 60 to 465 tools (HSK-A100 / ISO 50 / HSKA63), it is made sure that the right solution can be selected for any application. Starrag's chain and tower magazines offer the following advantages:

• Fast and reliable design tested in hundreds of machines.
• Tool loading during machining process.
• Wide variety of magazine sizes and options.
• Dedicated solutions for oversize tools. For Starrag tool magazines features like tool breakage detection, tool coding, automated tool handling within an FMS can be implemented. Automated loading of tools into angle heads can also be realized. Regardless of the application, Starrag offers the right solution for the job.
   

Chip Removal 

• Two swarf conveyors in the longitudinal bed
• Integrated washing system with workpiece shower
   

Optimal Process Cooling

One key factor for lowest tooling costs and the highest productivity is the right process cooling selection. The STC machines offer all state-of-theart through spindle cooling options:

• High pressure cooling for water-based coolants or oil (pressures up to 150 bar / 2175 psi psi to get as close to the cutting zone as possible)
• Through spindle air
• Aerosol (minimum quantity lubrication)

Of course external cooling is also possible. With these options, long tool lifes and lowest overall cost can be achieved.

从简单的零件存储到最复杂的柔性制造系统——甚至是最大的机器。 斯达拉格集团使工业 4.0 成为现实. 阅读更多