CNC Machining & Robotics Automation Solution – SIEMENS 1FK7042-2AK71-1CH0 | SIMOTICS S-1FK7 Series
Where This Product Is Used
The SIEMENS 1FK7042-2AK71-1CH0 is a compact, high-dynamic AC servo motor from the SIMOTICS S-1FK7 series, engineered for precision motion control in demanding industrial environments. Typical deployment scenarios include:
- CNC Machine Tools – Feed axis and spindle positioning on milling centers, lathes, and grinding machines requiring sub-micron repeatability.
- Industrial Robotics – Joint actuation in 6-axis articulated robots and SCARA systems where compact form factor and high torque density are critical.
- Packaging Machinery – High-speed pick-and-place, form-fill-seal, and labeling lines demanding synchronous multi-axis coordination.
- Semiconductor & Electronics Assembly – Wafer handling, PCB drilling, and SMT placement equipment requiring ultra-low cogging and smooth velocity control.
- Printing & Converting – Web tension control and register correction on flexographic and gravure presses.
- Material Handling & Conveyors – Precision indexing, sorting gates, and AGV drive systems in logistics automation.
Technical Specifications
- Part Number / SKU: 1FK7042-2AK71-1CH0
- Series: SIMOTICS S-1FK7 (Compact)
- Motor Type: Permanent-Magnet Synchronous AC Servo Motor
- Rated Speed: 2,000 rpm
- Rated Torque: 4.0 Nm
- Peak Torque: 12.0 Nm
- Rated Power: ~0.84 kW
- Encoder: Absolute encoder (single-turn / multi-turn), 20-bit resolution
- Shaft: Smooth shaft with key (1CH0 suffix)
- Flange Size: 60 mm (Size 1)
- Protection Rating: IP64 (standard); IP65 shaft seal optional
- Cooling: Natural convection (self-cooled)
- Insulation Class: F (155 °C)
- Ambient Temperature: 0 °C to +40 °C (operating)
- Weight: ~6.5 kg
- Compatible Drive: SINAMICS S120 / S210 servo drive systems
Why Engineers Specify This Model
- High Torque Density – Delivers 4.0 Nm rated / 12.0 Nm peak in a compact 60 mm flange, reducing machine footprint without sacrificing performance.
- Absolute Encoder Standard – Eliminates homing routines on power-up, reducing cycle time and improving safety in multi-axis systems.
- Seamless SINAMICS Integration – Plug-and-play DRIVE-CLiQ interface enables automatic motor identification and parameter upload, cutting commissioning time significantly.
- Low Cogging Torque – Optimized winding geometry ensures smooth velocity at low speeds, critical for surface-finish quality in grinding and polishing applications.
- Proven Reliability – SIMOTICS S-1FK7 motors are deployed in millions of axes worldwide with a documented MTBF exceeding 50,000 hours.
- Broad Certification Portfolio – CE, UL, cUL, and RoHS compliance simplifies global machine export approval.
Complete System Bill of Materials
For a fully operational servo axis using the 1FK7042-2AK71-1CH0, engineers typically specify:
- Servo Drive: SINAMICS S120 Booksize (e.g., 6SL3120-1TE15-0AA3) or SINAMICS S210 single-axis drive
- Power Module: SINAMICS S120 Active Line Module (ALM) or Smart Line Module (SLM)
- Motor Cable: MOTION-CONNECT 500 power cable (pre-assembled, length to suit)
- Encoder Cable: MOTION-CONNECT 500 signal cable with DRIVE-CLiQ connector
- Holding Brake Option: 1FK7042-2AK71-1RH0 (brake variant, if required)
- Gearbox: SIMOGEAR bevel-helical gearbox (optional, for low-speed high-torque applications)
- PLC / Motion Controller: SIMATIC S7-1500T with S7-1500 Motion Control or SINUMERIK 840D sl for CNC
Compliance & Industry Standards
- CE Marking – EU Machinery Directive 2006/42/EC & Low Voltage Directive 2014/35/EU
- UL / cUL Listed – UL 1004 (Rotating Electrical Machines)
- RoHS 2 Compliant – Directive 2011/65/EU
- ISO 9001:2015 – Manufactured under Siemens certified quality management system
- IEC 60034 – Rotating electrical machines standard
- REACH Compliant – No substances of very high concern (SVHC) above threshold
Quality Assurance & Sourcing
At Konmask.com, every unit of the SIEMENS 1FK7042-2AK71-1CH0 is subject to a rigorous multi-point inspection protocol before shipment:
- Visual inspection for physical damage, label integrity, and date codes
- Encoder communication verification via DRIVE-CLiQ diagnostic tool
- Winding resistance and insulation resistance (IR) test ≥ 100 MΩ at 500 VDC
- Shaft runout and bearing noise assessment
- Original Siemens factory packaging with tamper-evident seals where applicable
We source from authorized Siemens distributors, certified industrial surplus channels, and factory-refurbished stock — each clearly labeled with condition grade (New / Surplus New / Refurbished) on your invoice.
How to Source This Part
- Request a Quote: Email support@konmask.com with your required quantity and delivery timeline.
- Phone / WhatsApp: +0086 19859288691 (Mon–Sat, 09:00–18:00 CST)
- Lead Time: In-stock units ship within 1–3 business days; special-order items 7–21 days.
- Export & Customs: We handle export documentation (CO, packing list, commercial invoice) for international shipments. DDP/DAP Incoterms available.
- Payment: T/T (wire transfer), PayPal, and major credit cards accepted.
Application-Specific FAQ
Q: Is the 1FK7042-2AK71-1CH0 compatible with SINAMICS S210?
A: Yes. The S210 single-axis drive supports the 1FK7 compact series via DRIVE-CLiQ and is the recommended pairing for standalone axis applications.
Q: What is the difference between suffix 1CH0 and 1RH0?
A: The 1CH0 suffix denotes a smooth shaft without holding brake. The 1RH0 variant adds an integrated 24 VDC holding brake for vertical axes or safety-stop requirements.
Q: Can this motor be used with a third-party drive?
A: While the motor windings are electrically compatible with generic servo drives, the absolute encoder uses Siemens DRIVE-CLiQ protocol. A protocol converter or alternative encoder feedback card is required for non-Siemens drives.
Q: What is the IP rating and can it be used in washdown environments?
A: Standard IP64 protects against dust ingress and water splashing. For washdown or high-pressure cleaning, specify the IP65 shaft seal option or consult Konmask for IP67 variants.
Q: Do you provide a warranty?
A: New and Surplus New units carry a 12-month warranty against manufacturing defects. Refurbished units carry a 6-month warranty. Full warranty terms are provided with each shipment.
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Original Source: https://Konmask.com
Contact: support@konmask.com | +0086 19859288691
