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Aufschlüsselung des Modellcodes (Lexium28 BCH2 Series Coding Rules)
BCH2MR3523CA6C
- BCH2: Lexium28 new-generation AC Servomotor Serie, compatible with LXM28U / LXM26D drives
- MR: Medium rotor inertia; suitable for general loads and frequent start-stop applications
- 35: Nennleistung: 3.5 kW
- 2: Winding specification for rated speed 3000 U/min
- 3: AC 220V single/three-phase power supply
- C: Standard keyed output shaft with shaft oil seal (without brake)
- A: 20-bit single-turn absolute encoder; multi-turn position data lost after power-off
- 6: MIL straight-out connector
- C: Asian standard 180mm square mounting flange
- Core Electrical Performance Parameters
| Parameterelement | Wert |
| Nennleistung | 3.5 kW |
| Nenngeschwindigkeit | 3000 U/min |
| Rated Continuous Stall Torque | 16.7 Nμm |
| Spitzendrehmoment | 42.97 Nμm |
| Nennstrom | 16.55 A |
| Rotor Inertia | 53.56 kgμcm |
| Torque Constant Kt | 1.01 Nμm/A |
| Back EMF Constant Ke | 61 V/krpm |
| Stator Resistance | 0.157 |
| Stator Inductance | 2.93 mH |
| Encoder | 20-Bit Singleturn absolut |
| Versorgungsspannung | Wechselstrom 220 V (single/three-phase) |
| Kühlmethode | Natürliche Luftkühlung |
| Schutzklasse | IP65 (motor body + shaft oil seal) |
| Nettogewicht | 18.5 kg |
- Mechanical Dimension Specifications
- Mounting flange: 180mm square
- Locating spigot diameter: φ114.3mm, spigot height 4mm
- Four mounting holes, pitch circle diameter 200mm, hole diameter 13.5mm
- Abtriebswelle: φ35mm, shaft extension length 79mm, fitted with standard 10mm flat key
- Overall motor length: 202mm
- Max allowable radial force: 1200N @ 2000rpm
- Max allowable axial force: 497N
- Key Feature Description
- No built-in brake: Code A = without brake; suffix F stands for brake-equipped model (BCH2MR3523CF6C)
- Single-turn absolute encoder: Zero return not required upon power-on; multi-turn position cannot be retained after power loss; multi-turn version marked with code G
- MIL straight plug: Separate straight-out power and encoder cables, different from side-out series 5
- Medium inertia MR: Balanced dynamic response for conveying systems, machine tool feed axes and packaging machinery
- Standard fitted shaft seal: IP65 protection for light dust and minor splash environments
- Matching Servo Drives (Lexium28 / LXM26D Mandatory)
Standard matching model: LXM28U20M3X (20A, 220V drive)
Compatible alternative: LXM26D20M3X (pulse-type LXM26D)
Incompatible models: LXM05 / LXM23 / LXM32 old servo series
- Alternative Models within the Same Series
- BCH2MR3523CF6C: Same power rating, mit elektromagnetischer Bremse, all other parameters identical
- BCH2MR3523CG6C: 20-Bit-Multiturn-Absolutwertgeber, position retention after power-off
- BCH2MR3023CA6C: 3kW, 180mm flange, same outline dimensions with lower power rating
- Anwendbare Branchen & Szenarien
Feed axes of CNC lathes and machining centers
Automatisierte Produktionslinien, transfer mechanisms, stacking equipment
Verpackungsmaschinen, die-cutting and printing equipment
Medium-small injection molding machines, stamping feeding axes
- Environmental Operation Specifications
Betriebstemperatur: -20℃ ~ +40℃
Lagertemperatur: -25℃ ~ +70℃
Max altitude: ≤2000m (derate torque by 10%~20% above 2000m)
Prohibited environments: Strong corrosive atmosphere, continuous water immersion, heavy oil mist without protective measures
Complete Mounting Dimensions of Schneider BCH2MR3523CA6C
(Einheit: mm, IM B5 flange mounting, Asian standard 180mm square flange)
- Reference Flange Mounting Dimensions (Core Frame Fixing)
| Artikel | Dimension Value | Beschreibung |
| Flange Outer Size | 180 × 180 | Square mounting flange |
| Locating Spigot Diameter | φ114.3 | Centering boss for fitting reducers or equipment mounting holes |
| Spigot Protrusion Height | 4 | Distance from flange surface to spigot end face |
| Pitch Circle Diameter of 4 Befestigungslöcher | 200 | Diagonal center distance of four mounting holes |
| Single Through Hole Diameter | 13.5 | Fits M12 mounting bolts |
| Flange Plate Thickness | 16 | Thickness of front motor flange body |
- Output Shaft Dimensions (Transmission Matching)
| Artikel | Dimension Value | |
| Schaftdurchmesser | φ35 | |
| Total Shaft Extension Length (Flange surface to shaft end) | 79 | |
| Flat Key Specification | 10×8×70 (key width 10, key height 8, effective key length 70) | |
| Distance from Shaft Shoulder to Flange Surface | 5 | |
| Central Thread Hole at Shaft End | M12×1.75, Tiefe 20 | For lock rings and coupling clamping plates |
| Oil Seal Position | Inner side of flange, fitted at shaft root | Provides IP65 protection |
- Overall Outline Dimensions (Non-brake Model CA6C)
- Total motor length (Flange surface to rear encoder end): 202
- Square outer body dimension: 180×180
- Protruding height of power MIL straight connector: 42 from motor top
- Protruding height of encoder MIL straight connector: 38 from motor side
- Nettogewicht: 18.5 kg
- Mechanical Load Limits for Mounting (Mandatory for Mechanical Verification)
Allowable radial load @ 2000rpm: 1200 N
Allowable axial load: 497 N
Coupling coaxiality tolerance: ≤0.05mm
Mounting surface flatness: ≤0.03mm per 100mm
- Comparison with Brake-equipped Model (BCH2MR3523CF6C)
The brake version has an overall length of 238mm; all flange, shaft and mounting hole dimensions remain identical. This CA6C model without brake is 36mm shorter in length.
- Key Mounting Guidelines
- Standard mounting form IM3001 (B5-Flansch, horizontal and vertical installation compatible)
- Cables are straight-out MIL type; bending angle shall not be less than 90°, reserve cable margin ≥150mm for wiring
- Torque derating by 10%~20% when ambient temperature exceeds 40℃ or installation altitude above 2000m
- M12 high-strength bolts recommended for flange fixing, Anzugsdrehmoment: 45~50 N·m
