This guide covers the cutting machine, trimming machine from Zhangjiagang Ziqiang Machinery Co., Ltd. You will learn how it works, which bottles and materials it handles, how the two models differ, and what to check before you order. It is written for importers, distributors, factory procurement managers and engineering teams who need a reliable bottle cutting machine for a blow molding machine line.
Ziqiang is a blow molding machine manufacturer in China with more than 20 years of industry experience. Our trimming equipment belongs to a wider range that includes IBM, EBM and ISBM machines, molds and auxiliary equipment.
Automatic Bottle Neck Trimming Machine for Blow Molding Lines
The Ziqiang bottle neck trimming machine is fully automatic. It cuts the bottle mouth after molding, so operators no longer trim by hand. Each bottle is cut the same way, which keeps the neck finish consistent from the first bottle to the last.
Where it fits in your production line
A trimming machine sits after the blow molding stage and before capping, labeling and packing. It is most useful when the molded bottle leaves the mold with extra material at the neck, as often happens in extrusion blow molding.Ziqiang supplies the Extrusion Blow Moulding Machine in single-station and double-station versions. We also build the Injection Blow Molding Machine range, from ZQ40 to ZQ135, for small bottles. Whichever plastic bottles blow molding machine you run, send us a sample bottle and your line layout. Our team will confirm whether this trimmer fits.
Key points at a glance:
• Fully automatic operation for stable, repeatable cutting
• Smooth, burr-free bottle mouth with no cutting debris
• Works with PE, PVC, PP, PET and PC bottles
• Suits round, square and other bottle shapes
• Single-station and double-station models available
Burr-Free, Debris-Free Bottle Mouth Cutting
The bottle mouth is the sealing surface. Burrs, rough edges or plastic dust here cause problems further down the line:• Poor cap fit and leaks during transport
• Loose plastic chips inside bottles that must be cleaned or rejected
• Slow line speed because of rework and stoppages
• Complaints from end customers about appearance
The Ziqiang cutting machine leaves a smooth, burr-free mouth and does not generate debris. That gives capping and labeling a stable base. For beverage, daily chemical and pharmaceutical packaging, a clean neck also helps lower the risk of contamination.
Soft Cutting Technology for Smooth Bottle Necks
This machine uses soft cutting technology to deliver a smooth bottle mouth without debris. As a buyer, judge any trimming machine by its results, not by its name. Check three points on your own sample bottles:• Edge finish: the cut edge feels smooth and looks even
• Cleanliness: no loose chips or dust inside the bottle
• Consistency: the same quality across a long production run
Ask our team whether a sample test can be arranged for your bottle. Real test results are more useful than any brochure.
Plastic Bottle Cutting Machine for PE, PVC, PP, PET & PC
Many factories run several resins. A plastic bottle cutting machine that handles only one material limits your product range. The Ziqiang machine is compatible with PE, PVC, PP, PET and PC.Each material behaves differently when cut. PE is softer, while PET and PC are harder. Wall thickness also changes the setup. This matters whether your bottles come from a PE bottle blowing machine, an extrusion line or an injection-based process. To confirm the right setup, send us:
• Bottle material and wall thickness
• Neck diameter and bottle height
• Bottle drawing or a physical sample
• Required output per hour
Trimming Machine for Round, Square & Special-Shaped Bottles
Not every bottle is round. This trimming machine handles round, square and other bottle types. That helps if you run several products on one line or change formats for different customers.Ziqiang also offers OEM/ODM customization for molds and machines. If you are developing a new bottle, we can discuss the bottle design, the cavity setup and the trimming step together. This avoids surprises when production starts.
Single-Station and Double-Station Models, 500 to 1100 PCS/H
The product page lists two models. Both share the same external size, power and air requirements. The difference is the number of incision stations, and therefore the output.| Specification | ZQ-QK161 | ZQ-QK-162 |
| Incision stations | 1 | 2 |
| Incision rate | 500–600 PCS/h | 1000–1100 PCS/h |
| External dimensions | 1600×950×1570 mm | 1600×950×1570 mm |
| Conveying height | 800–1150 mm | 800–1150 mm |
| Air source | ≥ 0.5 MPa | ≥ 0.5 MPa |
| Total power | 0.2 kW | 0.2 kW |
The single-station ZQ-QK161 suits small and medium output. The double-station ZQ-QK-162 roughly doubles the rate for lines that need more bottles per hour.
Easy to Integrate with Your Existing Production Line
Buyers often ask whether a new machine will fit an old line. This cutting machine supports a conveying height range of 800–1150 mm, and its external size is 1600 × 950 × 1570 mm. Before ordering, check these points:• Conveyor height and bottle direction at the infeed and outfeed
• Available floor space around the machine
• Compressed air supply of 0.5 MPa or higher
• How trimmed bottles will move on to capping, labeling or packing
Our Auxiliary Machine range also includes a chiller, a bagging machine and a flexible chain turn conveyor. You can source several line items from one supplier, which makes coordination and after-sales contact simpler.
Energy-Saving Bottle Trimmer, Only 0.2kW Total Power
Both models have a total power of 0.2 kW. That is a small electrical load for an automatic machine, which keeps running cost low.Remember that the machine also needs compressed air at 0.5 MPa or higher. Include air consumption in your cost calculation, especially if your compressor is already close to its limit.
Bottle Trimming Equipment for Beverage, Daily Chemical & Pharmaceutical Industries
The machine is used in three main fields:• Beverage: bottles that need a clean neck for reliable capping
• Daily chemical: shampoo, lotion and similar household bottles
• Pharmaceutical: bottles where cleanliness and a precise neck matter
Hygiene and validation rules differ by country and product. If your project has special requirements, share them early. This lets our engineers advise you before you place an order.
Reduce Labor Cost and Manual Errors with Full Automation
Manual trimming is slow, and quality changes from one operator to the next. A fully automatic bottle neck cutting machine removes that variation. It also frees staff for inspection, packing or machine monitoring.We do not promise a fixed saving, because it depends on your current process. A simple way to estimate it:
• Count the operators now assigned to manual trimming
• Multiply by wage cost and number of shifts
• Compare the yearly total with the machine price over its expected service life
Add the cost of rejected bottles and rework. For many factories, steady quality matters as much as labor savings.
Recyclable Trimmed Material, Less Waste
The trimmed material can be recycled, which reduces raw material waste and environmental impact. Plan for it before the machine arrives:• Decide how trimmed pieces will be collected
• Check your regrind policy and the allowed regrind ratio
• Review customer rules if bottles are for food or pharmaceutical use
Bottle Neck Cutting Machine Made by a Professional IBM Manufacturer in China
Zhangjiagang Ziqiang Machinery Co., Ltd. has more than 20 years of industry experience, over 50 employees and a factory area of more than 1,000 m². Our products have been sold in 30+ countries and regions. Our core business is the injection blow molding machine, also called the IBM machine. We supply all-electric, servo and hydraulic models, plus extrusion and injection stretch blow molding machines.
If you are still comparing machine types, read our guide to Types of Blow Molding Machine: 3 Main Types Explained. It explains EBM, IBM and ISBM in simple terms.
How to choose a trimming machine supplier
Whether you buy from us or from another source, use this checklist:• Does the supplier give clear technical data, not only general claims?
• Can they test your sample bottle or discuss your bottle drawing?
• Do they explain air, power and space needs in advance?
• Can they supply matching auxiliary equipment and molds?
• Is there a named contact who answers technical questions in English?
• Are packing, shipping terms and export documents explained before payment?
Ziqiang is both a blow molding machine supplier and a trimming equipment maker, so we can look at your whole line, not only one machine.
What Is a Bottle Neck Trimming Machine and How Does It Work?
A bottle neck trimming machine removes unwanted plastic from the neck or mouth of a molded bottle. The result is a clean opening that a cap can seal.The process is simple. Bottles arrive on a conveyor and move to the incision station. The machine cuts the neck, and the finished bottle moves on. The exact sequence depends on your bottle and line layout. The Ziqiang unit runs automatically on compressed air and a small electrical supply, so operators do not trim by hand.
How Fast Is the ZQ-QK161 / ZQ-QK-162 Bottle Cutting Machine?
The ZQ-QK161 has one incision station and a rate of 500–600 PCS/h. The ZQ-QK-162 has two stations and a rate of 1000–1100 PCS/h.Treat these as reference figures. Real output depends on bottle size, material, wall thickness and the speed of your conveyor. Ask for a speed confirmation based on your actual bottle before you decide.
Which Bottle Trimming Machine Is Right for Your Production Output?
Start with the output of your blow molding machine. The trimmer should keep pace with it, or it becomes a bottleneck.• Up to about 600 bottles per hour: the single-station ZQ-QK161 is the natural starting point
• Around 1000 bottles per hour: the double-station ZQ-QK-162 is the better match
• Output above these ranges: talk to us about your line before choosing a model
Also think about growth. If you plan to add a second blow molding machine within a year, a higher-capacity trimmer may save you from buying twice.
Frequently Asked Questions
1. What is a bottle neck trimming machine used for?
It removes excess plastic from the neck or mouth of blow-molded bottles. This gives a smooth opening for capping, sealing and labeling.2. Which materials can the machine trim?
The Ziqiang machine is compatible with PE, PVC, PP, PET and PC. Send us your material and wall thickness so we can confirm the setup.3. What is the output of the ZQ-QK161 and ZQ-QK-162?
The ZQ-QK161 trims 500–600 PCS/h with one station. The ZQ-QK-162 trims 1000–1100 PCS/h with two stations.4. Can it work with my existing blow molding line?
It depends on conveyor height, bottle shape and available space. The machine supports a conveying height of 800–1150 mm. Send us your line layout and a bottle sample, and we will check the fit.5. What should I send to get a quotation?
Send your bottle drawing or sample, material, neck size, required output per hour, destination country and any special requirements. A complete request lets us reply faster and more accurately.6. Do you offer customization and technical support?
Ziqiang offers OEM/ODM customization for molds and machines. Contact our team to discuss your bottle, your line and the support you need.Conclusion
A reliable bottle neck trimming machine protects every step after molding. It gives you a smooth, burr-free mouth, steady output and lower manual work. The Ziqiang cutting machine, trimming machine handles PE, PVC, PP, PET and PC, suits round and square bottles, and comes in single-station and double-station versions.If you need product details, a quotation, customization or technical advice, Contact us. Send your bottle sample details and target output, and our team will recommend a suitable model. You can also reach us on WhatsApp at +86 13913614902 or by email at isabel@ziqiangmachine.com.