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FFU موتور
A compact replacement drive motor for restoring controlled airflow in cleanroom fan filter units without replacing the complete housing and filter assembly.
- Compact FFU Drive
- Speed-Control Compatible
- Low-Vibration Construction
- Matched Mounting Options
مقدمة المنتج
The FFU motor is the direct-drive power component fitted between the fan impeller and the electrical control system of a fan filter unit. Typical replacements use a compact external-rotor or electronically commutated construction to fit the shallow FFU plenum while supporting variable-speed airflow control. The shaft, flange, electrical connector and control input must be selected to match the original fan assembly. Balanced rotating parts and secure bearing support help limit vibration transmitted to the ceiling grid and final filter.
الخصائص الرئيسية
Variable-speed versions accept a matched analog, PWM or digital control interface.
Sealed bearings and a rigid mounting flange support stable direct-drive operation.
Multiple shaft, connector and flange arrangements simplify replacement in established FFU designs.
مخاوف المنتج للعملاء
A replacement motor must restore airflow while remaining mechanically and electrically compatible with the existing FFU.
The replacement shaft or flange does not align with the existing impeller and mounting plate.Motor selection is matched to the original shaft diameter, projection, flange pattern and installation depth.
An incompatible speed signal prevents the FFU controller from regulating airflow.Available control interfaces are selected to suit the existing analog, PWM or communication controller.
Motor vibration is transferred into the ceiling grid and filter housing.Rigid bearing support and balanced direct-drive components reduce mechanical runout at the mounting interface.
Cable and connector differences delay field replacement.Connector pinout, cable length and lead termination can be configured for the target FFU assembly.
تطبيقات نموذجية
Cleanroom fan filter unitsLaminar-flow ceiling modulesMini-environment air-supply modulesFFU retrofit and maintenance programs
المعلمات الفنية
Typical construction ranges for compact FFU replacement motors are shown below.
| المواد الأساسية | Laminated electrical-steel stator with copper windings and permanent-magnet rotor |
|---|---|
| سمك اللوحة | 70-140 mm nominal motor body depth |
| العرض الفعال | 120-250 mm nominal flange or housing width |
| الحد الأقصى الطول | Up to 300 mm overall motor and shaft length |
| الصلب يواجه سمك | 1.0-3.0 mm steel or aluminum end-cover wall thickness |
| الكثافة الأساسية | 7600-7850 kg/m³ for laminated electrical-steel components |
| الموصلية الحرارية | 45-55 W/(m·K) for electrical-steel motor laminations |
| إنهاء السطح | Black protective motor shell with natural silver machined or cast-metal mounting parts |
| نوع المشترك | Direct-drive shaft with bolted flange mounting and plug-in electrical lead |
| التخصيص | متوفر على أساس التطبيق المقصود وبيئة التشغيل. |
الخيارات المتاحة
AC or EC motor configurationMatched shaft and flange geometryAnalog or PWM speed controlCustom cable and connector termination
Planning a FFU Motor specification?
أرسل لنا الأبعاد الخاصة بك، شروط التثبيت، أهداف الأداء والتشطيب السطحي المطلوب.
