Magnetic, Pass & Spring Sensors

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Description:

Riken Keiki Nara's sensor series is the foundation of any reliable die protection system. Engineered for the harsh environment of stamping workshops, these sensors act as the critical "eyes and ears," detecting the smallest abnormalities. The series includes versatile Magnetic (RE), high-speed Pass (RL), and precise Spring (RS-3) sensors, each tailored for specific monitoring tasks like part ejection. They are fully compatible with Riken Keiki Nara's Error Detector controllers (e.g., RM-2704, RM-2412) to create a comprehensive solution that prevents die crashes, reduces downtime, and ensures production quality and safety.

RIKEN KEIKI NARA

Sensor Series for Stamping Presses

Comprehensive Die Monitoring & Protection Solutions

🔩 Magnetic Sensors · 👁️ Pass Sensors · 👆 Spring Sensors

The "Eyes & Ears" of Your Monitoring System

A die protection and production monitoring system is only as effective as its sensors are accurate and reliable. Riken Keiki Nara offers a diverse range of sensors, specially designed to operate durably in the harsh environment of a stamping workshop, helping you detect even the smallest abnormalities.

Used with Die Error Detector Controllers

These sensors act as the "inputs," collecting signals from the die and sending them to a central controller (Error Detector). The controller processes these signals and makes the decision to send an emergency stop signal when a fault is detected.

These sensors are compatible with Riken Keiki Nara's Die Error Detector models such as:

RM-2704

RM-6701

Magnetic Sensor - RE Series

Detects metal objects passing through the sensor's field. Ideal for verifying the presence of metal parts.

Model	Minimum Detection Object	Detection Distance
RE-30	Metal object ≥ φ1 mm	φ30mm
RE-55	Opaque object ≥ φ2.5 mm	φ51mm
RE-120	Metal object ≥ φ8 mm	Within 88 x 108 mm
RE-150	Metal object 40×t1.0	Within 139 x 139 mm

Pass Sensor - RL Series

Detects objects that fall or pass through a specific area. Ideal for monitoring whether a part has been ejected from the die.

Model	Minimum Detection Object	Detection Distance	Response Time
RL-51H / RL-51 / etc.	φ2mm iron sphere in free fall	90 - 1000mm (depending on model)	Within 100μsec

Spring Sensor - Model RS-3

A contact-type sensor that detects based on physical touch. The sensor tip is removable and replaceable.

Need Custom Length Sensor Cables?

We accept orders for custom-length sensor cables to perfectly fit any press machine and complex die structure.

PRESTEC - Your Sensor Selection Expert

Choosing the right sensor for each position and application is critical to the effectiveness of the entire system. PRESTEC will help you:

Consult on Solutions: Survey your die and application to advise on the most suitable sensor type (magnetic, pass, spring...) and model.
Provide Comprehensively: Supply a full range of sensors, controllers, and related accessories.
Support Installation: Provide guidance and technical support so you can install and set up the system correctly.

⭐

Official Distributor

We guarantee genuine products and services that meet Riken Keiki Nara's standards.

Equip Your Dies with the Right Sensors

Contact PRESTEC today for a consultation and quote on Riken Keiki Nara's die protection sensors.

Hotline: +84 795 215 864 | Email: Sales@suamaycongcu.com

REQUEST A CONSULTATION

Technical Specifications for Sensor Series

1. Magnetic Sensor

Property	RE-30	RE-55	RE-120	RE-150
Minimum Detection Object	Metal φ1 mm or larger	Opaque object φ2.5 mm	Metal φ8 mm or larger	Metal 40×t1.0
Detection Distance	φ30 mm	φ51 mm	Within 88x108 mm	Within 139x139 mm
Output	NPN Transistor (Current: 80mA Max.)
Response Time	Less than 1msec
Operating Temperature	0 ~ 55℃ (No Condensation)
Operating Environment	Free from corrosive gas and dust
Power Supply	DC12V
Weight (Approx.)	2.0 kg	1.5 kg	2.1 kg	2.5 kg
Dimensions (W×D×H) (mm)	45 × 227.5 × 127.7	45 × 227.5 × 127.7	140 × 268 × 162.7	50 × 300 × 209.7

2. Pass Sensor

Property	RL-51H	RL-51	RL-101H	RL-101	RL-151H	RL-151
Minimum Detection Object	φ2 mm iron sphere (in free fall)
Detection Distance	90~190 mm	90~1000 mm	90~190 mm	90~1000 mm	90~190 mm	90~1000 mm
Output	NPN Transistor (Current: 100mA Max.)
Response Time	Within 100μsec
Operating Temperature	0 ~ 50℃ (No Condensation)
Operating Environment	Free from corrosive gas and dust
Power Supply	DC12V
Weight (Approx.)	0.9 kg	0.8 kg	1.2 kg	0.9 kg	1.4 kg	1.0 kg
Dimensions (W×D×H) (mm)	40×(241~341)×94	40×130×87	40×(241~341)×142	40×130×135	40×(241~341)×200	40×130×183