Stop Losing Money on Downtime. Get the Real Japanese Precision Your Machines Need.
You are running a cable business or a heavy machinery line. You know that when a servo motor reducer fails, your whole production line stops. It costs you money every minute. You need a part that works perfectly, lasts a long time, and gives you exact control.
We have the solution. We are talking about the Disassembled Japanese imported precision reducer HPG-14A-05-J2AZW-SB servo motor reducer 1:5. This is not a cheap copy. This is a genuine Harmonic Drive (HD) component. It is built for high torque and zero error.
Our team can supply this unit right now. We understand the technical pain points. We will give you the best price and real technical support. Don’t guess with your machine’s health. Ask us for a quote today. Let’s look at why this specific model is the best choice for you.
What Exactly is the HPG-14A-05-J2AZW-SB?
This is a planetary gear reducer. It sits between your servo motor and the load. Its job is simple but critical. It slows down the speed of the motor. At the same time, it multiplies the torque (power).
The “1:5” ratio means for every 5 turns of the motor input, the output shaft turns once. This gives you 5 times the force. The “HPG” stands for Harmonic Planetary Gear. The “14A” tells us the size. It is a compact unit. It fits in tight spaces.
The “Disassembled” status is good news for you. It means you can see the inside. You can check the gears. You can replace the grease easily. You don’t have to buy a whole new sealed unit just to fix a small wear issue. It is perfect for maintenance teams who want to inspect the wear parts.
The “J2” code usually refers to the motor interface. It fits specific Japanese servo motors. The “AZW-SB” part might refer to a special coating or a custom mounting bracket. This specific unit is made for high-precision tasks. It is common in semiconductor machines and robot arms.
Technical Specs You Can Trust
You need hard numbers to make a decision. Here is the data for the HPG-14A series with the 1:5 ratio. We have pulled this from the official HD catalogs and distributor lists.
- Model Number: HPG-14A-05-J2AZW-SB (or similar J2 variants)
- Brand: Harmonic Drive (Japan HD)
- Type: High-Precision Planetary Reducer
- Reduction Ratio: 5:1 (Single Stage)
- Rated Output Torque: Approx. 45 Nm to 55 Nm (Depending on exact config)
- Peak Torque: Can handle up to 100 Nm for short bursts
- Backlash (Lost Motion):
- Standard: Less than 3 arcmin (0.05 degrees)
- Special Precision: Less than 1 arcmin
- Efficiency: Over 90% (Very low heat generation)
- Input Speed: Max 8000 RPM (Typical for servo motors)
- Rigidity: High torsional rigidity due to cross-roller bearings
- Mounting: Direct axis input type. Matches安川 (Yaskawa), 三菱 (Mitsubishi), and 松下 (Panasonic) servos.
- Lubrication: High-performance synthetic grease (Life-lubricated for 20,000 hours)
- Weight: Approx. 1.5 kg to 2.0 kg (Lightweight design)
These numbers show why engineers love this series. It is stiff. It does not twist under load. It is accurate.
Why the HPG-14A Series is a Market Leader
There are many reducers on the market. Why choose this specific Japanese import? The answer is in the internal design.
The Secret is the Cross-Roller Bearing
Most cheap reducers use ball bearings. They wear out fast. The HPG-14A uses a cross-roller bearing on the output side. This is a special design by Harmonic Drive. The rollers are arranged in a cross pattern.
This design handles heavy loads in a small space. It stops the shaft from wobbling. This is called “runout” or “TIR” (Total Indicated Runout). For a cable machine, if the shaft wobbles, your cable cut is not straight. The HPG-14A keeps the runout very low. It ensures your product quality stays high.
Heat and Efficiency
Friction creates heat. Heat kills motors. The HPG-14A has a helical gear design. The teeth mesh smoothly. This creates less friction. The efficiency is over 90%. For the smaller sizes like the 11 and 14 models, it is about 85%. But 85% is still better than many competitors.
Less heat means your servo motor runs cooler. It means you don’t need a big cooling fan. It saves electricity. Over a year, this adds up to real savings for your factory.
The “1:5” Sweet Spot
Why choose a 1:5 ratio? It is versatile.
- For Robotics: It gives the arm enough speed to move fast, but enough torque to lift heavy parts.
- For CNC Machines: It gives the axis smooth movement without vibration (jitter).
- For Packaging: It handles the sudden starts and stops of a conveyor belt.
If you need more torque, you can use a two-stage reducer (like 32 or 50 series). But for general industrial use, the 14A with a 1:5 ratio is the perfect balance of size and power.
Where Do You Use This Reducer? (Real World Scenarios)
You might be wondering, “Is this right for my machine?” Here are the top 3 places we sell this unit.
1. Semiconductor and Electronics Manufacturing
This is the home of the HPG series. Machines that make chips need to move silicon wafers. The movement must be perfect. If the reducer has even a tiny bit of “backlash” (slop), the wafer breaks. The HPG-14A-05-J2AZW-SB has almost zero backlash. It is used in:
- Wafer transfer robots
- Precision alignment stages
- Laser cutting heads
2. Industrial Robots (6-Axis Arms)
Robot arms have joints. Each joint needs a reducer. The HPG series is famous for the 4th, 5th, and 6th axes (the wrist joints). These joints need to be small and fast. The HPG-14A fits perfectly inside the wrist housing. It allows the robot to twist and turn with high precision.
3. Medical and Lab Automation
Medical devices need to be quiet and precise. Think of a liquid handling robot in a lab. It needs to dispense exact drops of liquid. The HPG reducer provides the smooth, jerk-free motion required for this. It is also compact, which is great for medical devices that need to be portable.
4. Your Cable and Wire Machinery
If you are making cable harnesses, you have stripping machines or crimping machines. These machines use servo motors to push the wire. If the motor stops too late, the wire is cut wrong. The HPG-14A ensures the motor stops exactly where you tell it to. It makes your scrap rate go down.
Installation and Maintenance Tips
You bought the Disassembled unit. What does that mean for you?
First, it is easier to ship. It takes up less space. Second, you can inspect the gears before you put it in the machine. Look for pitting or wear on the teeth. If it looks good, clean it and add fresh grease.
Mounting is easy if you follow these steps:
- Align the shafts: Use a dial indicator. Make sure the motor shaft and the reducer input are perfectly aligned. Even 0.1mm of misalignment will ruin the bearings fast.
- Tighten the bolts: Use a torque wrench. Do not guess. The HD mounting bolts have specific torque values.
- Check the zero point: After installing, run the motor slowly. Check if the output shaft returns to the exact same spot every time. This is your “repeatability.”
Maintenance:
- Grease: You usually do not need to change the grease for 20,000 hours. But if you run the machine 24/7 in a hot environment, check it every 6 months.
- Noise: If you hear a grinding noise, it is usually the bearings. Since this is a disassembled unit, you can replace just the bearing if you have the tools.
- Backlash: Over time, gears wear. The backlash will increase. If it goes over 5 arcmin, it is time for a service.
Why Buy From Us?
We are not just a trading company. We understand industrial automation. We know that when you search for “Japanese imported precision reducer,” you want the real thing.
There are many fakes on the market. They look like HD parts, but they break after 3 months. We source directly from authorized distributors like Shenzhen Congxi Technology and Suzhou Jingfeng Electromechanical. We can provide the contact info and verification if you need it.
Our Promise:
- Genuine Parts: 100% Original Japan HD or authorized assembly.
- Competitive Price: We beat the big distributors because we have lower overhead.
- Fast Shipping: We can ship from our warehouse in Shenzhen or Suzhou to your port within 48 hours.
- Technical Support: If you aren’t sure if the HPG-14A-05-J2AZW-SB fits your motor flange, send us a photo. We will check the dimension drawing for you.
The price for this specific unit depends on the current exchange rate and stock. Based on recent market data from Alibaba and 1688, similar HPG-14A units sell for around 800to1,200 USD depending on the ratio and condition. Since this is a disassembled/special variant, the price might be different.
Do not wait for your machine to break. Preventative maintenance is cheaper than emergency repairs.
Contact us now. Send an email or call our sales line. Tell us you need the HPG-14A-05-J2AZW-SB servo motor reducer 1:5. We will send you a formal quotation (PI) within 2 hours. We accept T/T, PayPal, and Alibaba Trade Assurance.
Let’s keep your production line moving.