Kollmorgen 6SM57S‑3

Technical Specifications

• Continuous Rated Power: 0.95 kW
• Standstill Torque: 4.6 Nm
• Rated Speed: 3000 rpm
• Rated Operating Current: 2.8 A
• Protection Class: IP65
• Cooling Method: Natural convection cooling
• Insulation Class: Class F
• Feedback Element: Resolver or optional high‑resolution‑encoder
• Optional Accessory: 24 VDC electromagnetic holding‑brake
• Mounting‑Style: Flange‑mount installation
• Operating‑Ambient‑Temperature: −20 °C ~ +40 °C

Functional Features

• High‑torque‑density‑magnetic‑circuit‑design‑delivers‑large‑standstill‑torque‑within‑compact‑frame‑size
• Brushless‑synchronous‑structure‑realizes‑long‑service‑life‑and‑low‑maintenance‑requirement
• Resolver‑feedback‑provides‑strong‑anti‑vibration‑and‑anti‑electromagnetic‑interference‑performance‑for‑rough‑industrial‑site‑environment
• Built‑in‑winding‑thermal‑monitoring‑contact‑supports‑drive‑side‑over‑temperature‑protection‑logic
• Optional‑24 VDC‑holding‑brake‑satisfies‑power‑off‑static‑position‑holding‑demand‑for‑vertical‑axis‑application
• Low‑cogging‑torque‑characteristic‑guarantees‑stable‑low‑speed‑running‑performance

Application Scenarios

• Medium‑load‑auxiliary‑axes‑of‑machine‑tools
• Packaging‑machinery,‑printing‑machinery‑high‑precision‑servo‑axes
• Automated‑assembly‑equipment,‑material‑handling‑mechanisms
• Semiconductor‑production‑equipment‑motion‑control‑units

Performance Parameters

• Optimized‑rotor‑inertia‑achieves‑fast‑acceleration‑and‑deceleration‑dynamic‑response
• Sufficient‑short‑time‑peak‑overload‑capacity‑to‑support‑complex‑motion‑profile‑execution
• Natural‑convection‑cooling‑adapts‑to‑S1‑continuous‑duty‑cycle‑operation‑within‑rated‑ambient‑temperature‑range

Material Composition

• Housing: High‑strength‑aluminum‑alloy‑housing‑with‑sealed‑structural‑design
• Stator: Laminated‑silicon‑steel‑sheet‑core‑with‑high‑quality‑copper‑winding
• Rotor: Laminated‑iron‑core‑embedded‑with‑neodymium‑permanent‑magnet
• Output‑shaft: High‑precision‑alloy‑steel‑shaft‑with‑key‑way‑groove

Structural Characteristics

• Standard‑flange‑mount‑mechanical‑interface,‑key‑way‑output‑shaft‑structure
• Separate‑power‑connector‑and‑feedback‑signal‑connector‑arranged‑on‑motor‑housing‑side‑wall
• Feedback‑sensor‑unit‑integrated‑inside‑motor‑rear‑end‑housing
• Optional‑brake‑module‑can‑be‑installed‑at‑motor‑rear‑end‑position

Working Principle

• Matched‑servo‑amplifier‑outputs‑three‑phase‑sinusoidal‑current‑to‑stator‑windings‑to‑generate‑rotating‑magnetic‑field,‑interacts‑with‑rotor‑permanent‑magnet‑to‑produce‑driving‑torque‑to‑rotate‑output‑shaft
• Resolver‑collects‑real‑time‑rotor‑angle‑position‑information‑and‑feeds‑back‑to‑servo‑drive‑to‑realize‑closed‑loop‑speed‑and‑position‑regulation
• Built‑in‑thermal‑contact‑monitors‑winding‑temperature‑and‑provides‑switch‑signal‑for‑drive‑side‑over‑temperature‑protection‑processing

Installation Requirements

• Adopt‑flange‑mount‑installation‑mode,‑ensure‑mounting‑flange‑surface‑flat‑ness‑to‑prevent‑housing‑mechanical‑distortion‑stress
• Strictly‑control‑co‑axial‑tolerance‑between‑motor‑shaft‑and‑load‑coupling‑during‑mechanical‑assembly
• Maintain‑unobstructed‑natural‑air‑circulation‑around‑motor‑body,‑do‑not‑install‑adjacent‑to‑high‑temperature‑heat‑source
• Use‑special‑shielded‑servo‑cables;‑implement‑separate‑routing‑for‑power‑cable‑and‑feedback‑cable‑to‑reduce‑electromagnetic‑interference
• Motor‑housing‑must‑be‑reliably‑connected‑to‑protective‑earth‑of‑equipment‑cabinet