모델 코드 분석
| 코드 세그먼트 | 설명 | 세부 |
| K77 | Helical-bevel gear unit | K = Helical‑bevel (90° right‑angle drive), 77 = 프레임 크기, 3‑stage reduction, rated output torque approx. 600 Nm |
| DRE132S4 | Three‑phase asynchronous motor | DRE = Brake motor with integrated encoder, 132 = 프레임 (c‑c height 132 mm), S = short frame, 4 = 4‑pole motor, rated speed approx. 1450 rpm, 힘 5.5 kW |
| BE5 | Brake specification | BE5 = SEW standard brake, dual‑coil design, DC 24 V supply, braking torque approx. 80 Nm, suitable for frequent start/stop applications |
| TF | Encoder type | TF = Incremental encoder, resolution typically 1024 ppr, used for speed feedback and positioning control, compatible with variable frequency drives |
| 꿰매다 | Brand logo | SEW 유로드라이브, leading German industrial drive manufacturer |
- 핵심 기술 매개변수
2.1 Gear Unit Parameters
| 목 | 값 | 비고 |
| Construction | 3‑stage helical‑bevel | 고효율, 저소음, high‑rigidity cast‑iron housing |
| Ratio range | 5.36 ~ 188.72 | Standard ratios available; special ratios on request |
| Rated output torque | 600 Nm | S1 duty; service factor recommended: 1.2 ~ 1.5 |
| 맥스. output torque | 1200 Nm | Short‑time overload (S2 10 min) |
| 능률 | 95% ~ 97% | Slightly decreases with increasing ratio |
| 설치 | Foot mounting (M1) / Flange mounting (M2) | Selectable per requirements |
| 출력축 | Solid / hollow shaft (Φ50 mm) | Keyed or shrink disk connection |
| Lubrication oil volume | 대략. 2.1 엘 | CLP 220 mineral oil, factory‑filled |
2.2 Motor Parameters
| 목 | 값 | 비고 |
| 정격 출력 | 5.5 kW | S1 continuous duty |
| 정격전압 | 380/400 V 3‑phase | 50 헤르츠, star/delta connection |
| 정격전류 | 11.1 에이 | cosφ = 0.82, efficiency approx. 89% |
| 절연 등급 | F급 | 맥스. permissible temperature: 155 ℃ |
| Protection class | IP55 | Dust‑tight and splash‑proof, industrial environment |
| 냉각 | IC411 | Self‑ventilated |
| Brake type | Spring‑set, electrically released | Fail‑safe brake for safety function |
| Encoder signal | A/B/Z three‑phase | Differential output, high noise immunity |
2.3 Complete Drive Unit Parameters
| 목 | 값 | Application Reference |
| Input speed | 1450 rpm | Motor rated speed |
| Output speed range | 7.68 ~ 270 rpm | Depends on selected ratio |
| 무게 | 대략. 120 kg | Including motor and gear unit |
| Operating ambient temp. | -10C ~ +40C | Derate above 40C |
| Storage ambient temp. | -25C ~ +60C | Moisture protection required |
- 응용분야 & 선택 가이드
3.1 일반적인 응용 분야
기호 논리학 & 운반: AS/RS stackers, 컨베이어, 분류 시스템
포장 기계: High‑speed packaging lines, printing equipment, labeling machines
음식 & 음료: Filling machines, pasteurizers, labeling lines (food‑grade oil required)
자동차 제조: Assembly lines, welding equipment, painting lines
Building materials: Tile production, glass processing, concrete batching plants
Paper & printing: Paper conveying, roll handling, printing machine drives
3.2 주요 선택 포인트
- Load analysis: Calculate actual working torque, ensure ≤ rated torque × service factor (1.2–1.5)
- Speed matching: Select ratio based on required output speed (i = motor speed / 출력 속도)
- Duty matching: S1 for most applications; S2/S3 for frequent starts or shock loads
- Installation space: Confirm dimensions fit on‑site; K77 approx. 400×350×300 mm
- 제어 요구 사항: TF encoder supports closed‑loop control for precise positioning or synchronization
- 설치 & 구성 가이드
4.1 Installation Procedure
- Foundation fixing: Secure with foundation bolts, level error ≤ 0.1 mm/m
- Motor connection: Ensure alignment between motor and gear unit; flexible coupling deviation ≤ 0.1 mm
- Brake wiring: BE5 brake requires separate DC 24 V supply; 극성을 관찰하다
- Encoder wiring: Connect A/B/Z phases to inverter/controller; shield grounded at one end
- Lubrication check: Factory‑filled with CLP 220 oil; change after first 100 시간, then every 5000 시간
4.2 Electrical Configuration
| 요소 | Requirement | 메모 |
| 인버터 | Suitable for 5.5 kW motor, supports encoder feedback | Set brake parameters to match BE5 |
| Power supply | 380 V 3‑phase + DC 24 V 제어 | Stability affects service life |
| 보호 | 초과 적재 (1.15×에서), 단락, 저전압 | Surge protection recommended |
| 제동 저항기 | 선택 과목, for frequent braking | Power ≥ 1 kW, resistance matched to inverter |
- 교체 모델 & Selection Advice
5.1 SEW Alternative/Upgrade Models
| 모델 | 주요 차이점 | 애플리케이션 |
| K77‑DRN132S4BE5‑TF | DRN = No integrated encoder interface, external only | Cost‑sensitive, low‑precision applications |
| K77‑DRS132S4BE5‑TF | DRS = No integrated brake | Continuous duty without fail‑safe braking |
| KA77‑DRE132S4BE5‑TF | KA = Torque arm mounting, output shrink disk available | Space‑limited, compact installation |
| K87‑DRE132S4BE5‑TF | K87 = Larger frame, rated torque 1000 Nm | Higher load, higher torque demand |
| K77‑DRE132M4BE5‑TF | 132M = Medium frame, 7.5 kW | Higher power requirements |
5.2 Cross‑Brand Equivalent Models
| 상표 | 교체 모델 | Match Level |
| Flender | KPB77BMP055L4 | ★★★★★ Full structural & parameter match |
| 본피글리올리 | 300L4 K77 5.5kW | ★★★★☆ Minor mounting differences |
| 지멘스 | SIMOGEAR GM132S‑5.5kW/K77 | ★★★★☆ Better control system compatibility |
| 국내의 | KAF77‑Y5.5‑4P | ★★★★ Cost‑effective, some interchangeable parts |
- 유지 & 문제 해결
6.1 Regular Maintenance Schedule
| Interval | 목 | 기준 |
| 일일 | Operating condition check | No abnormal noise/vibration, temp ≤ 80 ℃ |
| 월간 간행물 | Fastening check | Bolts torqued correctly, no loosening |
| 계간지 | Oil level check | Maintain at middle of sight glass |
| 모든 1000 h | Brake inspection | Air gap 0.3–0.5 mm, smooth operation |
| 모든 5000 h | Oil change | CLP 220 mineral or equivalent synthetic oil |
| 매년 | Encoder check | Normal signal, secure, well protected |
6.2 Common Faults & 솔루션
| 징후 | 가능한 원인 | 해결책 |
| Motor overheating | 초과 적재, poor ventilation, power fault | Reduce load, clean fins, check power |
| Brake failure | 코일 단선, spring fatigue, excessive gap | Replace coil, adjust gap, check voltage |
| Encoder signal error | 느슨한 배선, poor shielding, encoder fault | Rewire, check grounding, replace encoder |
| Excessive gear unit noise | Worn gears/bearings, contaminated oil | Replace gears/bearings, change oil |
| Insufficient output torque | Wrong ratio, mismatched motor, mechanical jam | Reselect model, check mechanical system |
- 요약 & 선택 권장 사항
K77‑DRE132S4BE5‑TF is a well‑balanced 5.5 kW helical‑bevel gearmotor in the SEW K series, integrating a BE5 brake and TF encoder. It is ideal for industrial automation requiring precise positioning and frequent starts. Key advantages: high efficiency (>95%), high reliability, 컴팩트한 디자인, especially for space‑restricted installations.
권장 사항:
- For fluctuating loads, choose K87 series for higher torque reserve
- For ultra‑high precision, upgrade to BE11 brake and higher‑resolution encoder
- For food/pharma, use food‑grade lubricant and stainless fasteners
- For frequent braking, add an external braking resistor to extend service life
In‑Depth Maintenance Guide for SEW K77‑DRE132S4BE5‑TF
- Maintenance Overview & Schedule
This drive integrates a 5.5 kW brake motor + 3‑stage helical‑bevel gear unit + BE5 brake + TF encoder. Maintenance follows preventive first, corrective second:
| 수준 | Interval | Core Content | Personnel |
| 일일점검 | Daily/shift | 작업, 온도, noise, 진동, 누출 | Operator |
| Monthly check | 월간 간행물 | Fasteners, oil level, brake function, 인코더 | 유지 |
| Quarterly service | 계간지 | 청소, seals, brake air gap | 유지 |
| Annual overhaul | Yearly / 3000 h | Full inspection, oil analysis, bearings | Specialist team |
| Major overhaul | 5 연령 / 15000 h | Disassembly, parts replacement, accuracy restore | SEW authorized service |
- Component Maintenance
2.1 Gear Unit (K77)
매끄럽게 하기 (Most Critical)
First oil change: Mandatory after 100 hours to remove wear particles
Regular change: 모든 5000 hours or 1 year (whichever comes first)
Oil type: CLP 220 mineral oil (기준); synthetic for < -10 ℃; food‑grade for food industry
Oil level: Check 30 min after shutdown; level at middle of sight glass
Oil change procedure:
- Stop and cool to < 40 ℃
- Open drain and breather plugs
- Drain completely
- Clean magnetic drain plug
- Refill to correct level
- Run 15 min and recheck level
기계
Check foundation and flange bolts monthly (torque ~80–100 Nm)
Inspect shaft seals quarterly; replace if leaking
Vibration ≤ 2.8 mm/s; noise ≤ 85 dB(에이)
Keep housing clean and ventilated
2.2 모터 (DRE132S4)
| Check | Interval | 기준 | Action |
| Insulation resistance | 6 개월 | ≥ 1 MΩ (500 V megger) | Dry if low; increase frequency in humid areas |
| Bearings | Yearly | No noise, temp ≤ 80 ℃ | Regrease every 2000 h; fill 1/3–1/2 volume |
| Terminal box | 계간지 | Sealed, tight terminals | Torque terminals, clean, replace gaskets |
| 냉각 | 월간 간행물 | Fan undamaged, vents clear | Clean fins, replace fan if broken |
| 절연 등급 | Continuous | F급 (155 ℃) | Keep winding temp ≤ 120 ℃ |
2.3 BE5 Brake (Safety‑critical)
BE5: dual‑coil DC 24 다섯, torque ~80 Nm
Air gap: Check every 1000 h; target 0.3–0.5 mm, adjust 3 nuts evenly
Coil check: Resistance ~40–60 Ω; good insulation; secure wiring
Friction linings: Min thickness 2 mm; replace if worn
Manual release: Test monthly
Response: Brake ≤ 0.2 에스; release ≤ 0.3 에스
2.4 TF Encoder (Precision Component)
Check cable and grounding quarterly
Verify A/B/Z signals, 5 V ±0.2 V, 해결 1024 ppr
Protect from dust, oil, 진동
Route encoder cable separately from power cables
Recalibrate zero position after replacement
- Operating Monitoring & Fault Handling
3.1 Thresholds
| 매개변수 | Normal | Warning | Trip | Action |
| Housing temp | ≤ 80 ℃ | 85 ℃ | 90 ℃ | Check load, cooling, lubrication |
| Motor temp | ≤ 120 ℃ | 130 ℃ | 140 ℃ | 환기 개선, 부하를 줄이다 |
| 진동 | ≤ 2.8 mm/s | 3.5 mm/s | 4.5 mm/s | Check coupling, bearings, foundation |
| Noise | ≤ 85 dB | 90 dB | 95 dB | Inspect gears, bearings, oil |
| Braking rate | ≤ 10/h | 15/h | 20/h | Add resistor, optimize control |
3.2 Fault Troubleshooting
| 징후 | 가능한 원인 | 우선 사항 | 해결책 |
| Brake failure | 코일, gap, 힘, jam | 높은 | Check resistance, adjust gap, test DC 24 다섯 |
| Encoder fault | 배선, shielding, damage | 높은 | Retighten, check ground, replace encoder |
| Oil leakage | Seal, overfill, blocked breather | 중간 | Replace seal, adjust level, clean breather |
| Motor overheat | 초과 적재, poor cooling, bad power | 중간 | Reduce load, clean, check voltage |
| Abnormal noise | Gears, bearings, lubrication | 중간 | Inspect mesh, bearings, oil quality |
- Long‑term Storage & 특수 환경
4.1 저장 (>6 개월)
Temp: -25 °C ~ +60 ℃, 습도 ≤ 85%, no corrosive gas
Rotate input shaft 3–5 turns monthly
Check oil and seals quarterly
Energize brake coil 10 min every 6 개월
Protect encoder with moisture barrier
4.2 Special Conditions
| 상태 | Adjustments |
| Frequent starts (>10/h) | Shorten oil change to 3000 h; check brake every 500 h; add resistor |
| Dusty environment | Dust cover; clean monthly; FKM seals; more frequent oil checks |
| Humid/corrosive | Stainless fasteners; anti‑corrosion coating; IP67 encoder; frequent insulation tests |
| 고온 (>40 ℃) | High‑temp synthetic oil; auxiliary fan; derate 10–15%; shorten intervals |
- 안전 규칙 (필수적인)
- Lockout/tagout: Disconnect power before any work
- Discharge: Wait 15 min for inverter capacitors to discharge
- Brake safety: Secure load mechanically during brake service
- ESD protection: Use wrist strap for encoder/electronics
- Qualified personnel: Gear disassembly, brake adjustment, encoder setup only by trained staff
- Maintenance Records & Lifecycle Management
Keep records of:
Service date, operating hours
Replaced parts, serial numbers, reason
Oil analysis, 진동, 온도
Faults, root cause, remedies
Technician signature
Use data to predict failures and plan replacements.
- 요약 & Key Warnings
The core of maintenance is lubrication, brake air gap, encoder signal integrity.
Following this guide ensures MTBF ≥ 15000 hours and service life over 10 연령.
Key reminders:
First oil change at 100 hours is mandatory
BE5 brake gap directly affects safety
TF encoder shielding & grounding prevent interference
All work must be performed de‑energized
접촉기,회로 차단기,태양광 인버터,전기 계량기,태양 전지




















NH42-63-318x560.png)



