Grace Machinery Co., Ltd

Grace Machinery Co., Ltd A World-class Plastic Extrusion and Recycling Machinery Manufacturer

♻️ High energy cost on your PE washing line? Check these numbers: 24 kW·h/t crushing, 30% heating savingElectricity acco...
29/05/2026

♻️ High energy cost on your PE washing line? Check these numbers: 24 kW·h/t crushing, 30% heating saving

Electricity accounts for over 30% of recycling OPEX. Grace brings energy-saving solutions:

✅ Crushing: 24 kW·h/t (industry 30-40) → save 20-40%
✅ Pelletizing: 0.2-0.33 kWh/kg, infrared heating saves 30%
✅ Flywheel storage: another 15% energy reduction
✅ Permanent magnet motor: 10%+ efficiency gain
✅ AI temperature control: ±0.1°C accuracy, 30% efficiency gain

💧 >98% water reuse, one-touch start, 50% less downtime

💬 What’s your energy consumption per ton? Comment below!

♻️ How to choose a PE pelletizing line? Get the core configuration in 3 minutes.Wrong equipment = wasted effort. Here ar...
29/05/2026

♻️ How to choose a PE pelletizing line? Get the core configuration in 3 minutes.

Wrong equipment = wasted effort. Here are the essentials:

✅ Screw: Single screw two-stage for PE recycling (0.2-0.33 kWh/kg); twin screw for modification/PVC
✅ Pelletizing: Water ring for high gloss; strand for standard pellets
✅ Filtration: 80-120 mesh for blow-molding grade
✅ Temperature control: Infrared heating – 30% energy saving, ±0.1°C accuracy

📊 Typical setups:

Agricultural film → Squeezer + two-stage pelletizing

Rigid mixed scrap → Metal detector + water ring pelletizing

High-quality film → Agglomeration + forced vacuum

💬 What pelletizing line does your plant use? Comment below!

22/05/2026

⚙️ How to set up a large-diameter HDPE pipe extrusion line? Here are 4 key points:

Producing pipes up to 3300mm? Your equipment configuration matters.

✅ Extruder – 40:1 L/D, 15% less energy; gravimetric control saves 2-5% material
✅ Die – Anti-sagging design, wall thickness deviation

♻️ What’s the biggest headache in recycling waste PE agricultural film?❌ Up to 80% sand – blades wear out in days❌ Straw...
22/05/2026

♻️ What’s the biggest headache in recycling waste PE agricultural film?

❌ Up to 80% sand – blades wear out in days
❌ Straw mixed in – black specks ruin pellet quality
❌ Film holds water – pelletizer chokes and output drops

Grace has the solution:

✅ Pre-shred + pre-wash → removes >95% of sand, low-speed cutting protects blades
✅ High-speed centrifugal dewatering → breaks straw fibers and discharges them
✅ Powerful squeezer → moisture down to 5%, pelletizing output up 30%

💧 98% water reuse – only 0.6 m³/ton
🎯 Final purity >98% – ready for blow-molding applications

💬 What’s your toughest challenge in agricultural film recycling? Comment below!

⚠️ Common PE pipe extruder faults – have you seen these?Production issues?❌ Rough inner wall, unmelted particles❌ Curren...
15/05/2026

⚠️ Common PE pipe extruder faults – have you seen these?

Production issues?

❌ Rough inner wall, unmelted particles
❌ Current jumping, uneven wall thickness
❌ Output dropping, screen change doesn’t help
❌ Strange noises – worrying

We’ve summarized 6 faults + fixes:

✅ Poor plasticization → raise temp 5-15°C, use 100 mesh screen
✅ Extrusion fluctuation → speed difference 0.3mm = repair screw
✅ Abnormal noise → stethoscope locate, straighten or replace bearing
✅ No output → change screen first! Then check hopper and temp
✅ Weight deviation → measure actual density, check haul-off grip

💬 Which fault happens most in your plant? Comment below!

15/05/2026

♻️ PE bottle/jug crushing: How to cut fines from 10% to

Signs It’s Time to Replace Your Extruder Screws! 🏗️💡Maintaining a parallel twin-screw extruder isn't just about cleaning...
09/05/2026

Signs It’s Time to Replace Your Extruder Screws! 🏗️💡
Maintaining a parallel twin-screw extruder isn't just about cleaning; it’s about monitoring performance data. If you notice these 3 red flags, your screws might be worn out:

✅ The "Backflow" Effect: You're increasing speed but not seeing the output. This means material is leaking backward through worn gaps.
✅ The "Pressure" Problem: Head pressure is hard to establish, leading to weak pipe strength and poor fusion.
✅ The "Energy" Spike: Worn screws are less efficient, often causing your energy bills to creep up for the same amount of production.

Pro Tip: If your clearance has doubled from its original spec, it’s time to call the engineers!

📩 Need a technical check-up? Contact Grace Machinery today!

Stop Wasting Material! How to Tell if Your Screw is Worn Out 🛠️We’ve all been there: the pipe surface looks rough, the p...
08/05/2026

Stop Wasting Material! How to Tell if Your Screw is Worn Out 🛠️

We’ve all been there: the pipe surface looks rough, the pressure is wonky, and you’re just not hitting your production targets. Before you blame the raw material, check your screw! 🧐

Here is a quick checklist to see if your single-screw extruder is overdue for a tune-up:
✅ Check the Gap: If the clearance between the screw and barrel is over 0.3mm, you’re losing money to internal melt leakage.
✅ Watch the Amps: Is your host current jumping around? Wear causes uneven loads and "wobbly" rotation.
✅ Listen Up: Metal-on-metal sounds mean the screw is actually "scraping" the barrel. This leads to permanent damage!
✅ Inspect the Product: "Fish eyes" or raw spots in your PE pipes mean the screw can no longer create enough shear heat.

Don't wait for a total breakdown! The best pros pull their screws once or twice a year for a physical measurement. If you notice your output has dropped by 5% compared to last month, it’s time to take action.

Does your team have a regular maintenance schedule, or do you wait for the "noise" to start? Let’s discuss in the comments! 👇

Headline: Boost Your Production & Cut Costs with Grace Machinery! 💰🏗️Are you ready for the 2026 CHINAPLAS? Grace is brin...
20/04/2026

Headline: Boost Your Production & Cut Costs with Grace Machinery! 💰🏗️

Are you ready for the 2026 CHINAPLAS? Grace is bringing two powerhouses to the show that will redefine your factory's performance!

Why should you visit Booth H7.1 B14?

🔥 For PE Pipe Manufacturers:
Our new 40D series makes producing 1.6-meter pipes easier than ever. With a wall thickness deviation controlled within 6%-8% and a 30% reduction in vacuum system energy, you can save up to $640,000 every year!

🔥 For PVC Profile/Pipe Manufacturers:
Our 36 series twin-screw reaches 1.2 t/h for 250mm pipes with incredible stability. Lower energy consumption (100 kWh/t) means higher margins for your business.

Bring your material samples! Our engineers are ready to provide on-site data interpretation and customized solutions.

See you in Shanghai! 🇨🇳

🎉 Big news! Grace is heading to CHINAPLAS 2026!We can’t wait to meet you in Shanghai!📍 Booth H7.1 B14📅 April 21 – 24, 20...
14/04/2026

🎉 Big news! Grace is heading to CHINAPLAS 2026!

We can’t wait to meet you in Shanghai!

📍 Booth H7.1 B14
📅 April 21 – 24, 2026
🏢 National Exhibition and Convention Center (NECC), Shanghai

Come see our latest solutions for:
✅ PVC / HDPE pipe extrusion
✅ PE plastic washing & pelletizing lines
✅ Clean & efficient recycling technology

👉 Stop by our booth for a chat, or send us a message to schedule a meeting.

Let’s make plastics cleaner together – see you there!

Address

No. 1379 Nanhuan Road, High-tech Zone, Zhangjiagang City, Jingsu Province
Zhangjiagang
215600

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