Engineered screw profiles — MT70 twin-screw configuration is matched to the buyer’s actual corn variety and moisture content, validated through in-house trial runs before shipment.
Technical Specifications
| Parameter | Value |
|---|---|
| Model | MT70 |
| Product Type | Corn Flakes Production Line |
| Screw Type | Twin-screw |
| Installed Power | 160 kW |
| Power Consumption | 120 kW |
| Output Capacity | 150–200 kg/h (basis not stated in source — confirm raw material and moisture) |
| Overall Dimensions | 41 × 1.5 × 2.2 m |
| Control System | PLC and MCC |
| Extruder Working Principle | Feeding, extruding, cutting, heating, gearing, and controlling systems |
| Screw Feature | Automatic lubricating and cooling; wear-resistant technology |
| Flaking Machinery | Hydraulic double-roller system; separate dual-motor drive; infrared temperature pipe control |
| Dryer Heating Source | Gas or Electric |
| Roasting Oven | Vibrating pan; high-temperature spraying tubes; reconciliation burner; dual circulating fans; cyclone dust removal |
| Coating System | Double tumble sugar melting, elevator, coating drum, spraying nozzle |
| Line Stations (Natural) | Mixing → Extruding → Flaking → Drying → Hot Air Roasting → Cooling → Packing |
| Line Stations (Sugar-Coated) | Mixing → Extruding → Flaking → Drying → Hot Air Roasting → Sugar Spraying → Sugar Coating → Drying → Cooling → Packing |
| Raw Material Compatibility | Corn, rice, wheat, oat, barley powder |
| Final Product Shapes | Natural flakes, coated flakes, ball, tube, stick, ring, fruit loop, star, wheel, flower, heart (via mould adjustment) |
| Assembly State | Complete production line |
| Standards | CE, ISO |
Application Suitability
| Application | Material or Output |
|---|---|
| Natural Corn Flake Cereal | Milled corn grits processed through extrusion, flaking, and roasting |
| Sugar-Coated Breakfast Cereal | Extruded corn or multi-grain base with sugar spraying and tumble coating |
| Multi-Grain Flaked Cereal | Blends of rice, wheat, oat, and barley powders requiring adjusted screw shear |
| Shaped Cereal Snacks | Fruit loops, rings, stars, and wheels produced by changing the extruder die plate |
Why Nominal Capacity Fails When the Corn Blend Changes
Extrusion output is meaningless unless the screw configuration and barrel profile are tuned to your specific raw material.
A production line might run smoothly during factory acceptance tests using standard corn flour, only to fail completely when it arrives at your facility and encounters a local corn variety with different fat or starch ratios. The expansion collapses, the flakes come out dense, and the roasting oven cannot salvage the texture. This happens because the corn flakes extrusion technology was not calibrated to the actual material you intend to process day in and day out. [NEED_CITE: impact of raw material lipid content on twin-screw extrusion expansion]
Calibrating Shear and Moisture for Starch Gelatinisation
The core of corn flakes extrusion technology lies in managing how mechanical shear and thermal energy convert raw starch into a gelatinised matrix. The twin-screw setup allows operators to adjust the screw element sequence—alternating between conveying, kneading, and reverse elements—to control residence time and shear intensity. If the corn blend has a coarse particle size, the barrel temperature profile must compensate to ensure complete gelatinisation before the material reaches the die.
Managing Die Geometry and Flaking Tolerances
Once the extrudate exits the die, it must be sliced and immediately fed into the hydraulic double-roller flaking machinery. The die orifice diameter and the roller gap together dictate the final flake thickness and the degree of surface blistering that occurs during hot air roasting. Infrared sensors monitor the temperature pipe to prevent moisture condensation, which can cause sticking or uneven compression across the roller face. [NEED_CITE: relationship between flaking roller pressure and corn flake bowl-life]
Reading the Power and Dimension Specs
The MT70 draws 160 kW of installed power with a working consumption around 120 kW, meaning the electrical infrastructure at the installation site must handle sustained thermal loads across the extruder, dryer, and roasting oven simultaneously. The 41-meter line footprint requires a clear, level floor with adequate clearance for the vibrating roasting pan and the cyclone dust removal exhaust. Gas or electric heating options for the dryer must be selected based on local utility costs and availability, as this choice fundamentally alters the thermal balance of the drying and roasting stages. The PLC control system centralises these parameters, allowing recipe storage for different corn blends or multi-grain formulations so that batch-to-batch consistency is maintained without relying on operator memory.
The Hidden Cost of a Generic Screw Build
When an extruder ships with a generic screw configuration copied from a standard build, the buyer often discovers the problem only after installation. The flakes may lack the characteristic blister pattern the market expects, or they may shatter during packing due to improper density. Correcting this on-site means ordering new screw elements, waiting for international freight, and losing weeks of production time while the machine sits idle. [NEED_CITE: downtime costs associated with post-installation extruder reconfiguration]
Why Engineering Alignment Matters Here
The screw configuration and die design are specified to the buyer’s raw material and target flake density, not pulled from a generic catalogue. An in-house testing workshop conducts trial runs on the customer’s actual corn blend before the line ships, confirming extrusion behaviour and flake quality. Twin-screw expertise spans breakfast cereals, pet food, and aquatic feed, ensuring cross-application knowledge informs the barrel temperature profile. Pre-sales consultation covers line layout and throughput matching between the extruder, flaking rollers, and roasting oven so no single station bottlenecks the line. Documentation includes the screw and die configuration record alongside the trial run report, giving the buyer a verified baseline from day one.
Documentation & Verification
- Line layout and capacity calculation matched to your target corn flake output and workshop dimensions
- Screw and die configuration record documenting the exact element sequence chosen for your corn blend
- Trial run report on customer raw material confirming flake density, blistering, and bowl-life before dispatch
- Electrical schematic with voltage and frequency locked to your site’s power grid specification
- Operation and maintenance manual covering PLC recipe management and hydraulic roller adjustment
Installation, Commissioning & Support
- The 41-meter line footprint requires a level concrete slab with anchoring points for the vibrating roasting pan
- 160 kW installed power demands a dedicated circuit with voltage and frequency confirmed before electrical cabinet wiring
- Hydraulic flaking rollers are calibrated on-site to match the die output and achieve target flake thickness
- PLC interface language and control parameters are set during commissioning to match operator requirements
- Wear-resistant screw elements and die plates are inventoried, with a recommended first-replacement schedule provided
Preparing a Technical Inquiry
To receive an accurate line configuration and layout proposal, please provide the specific corn variety or multi-grain blend you intend to process, including typical moisture content and particle size distribution. Specify your target hourly output and whether the final product will be natural or sugar-coated flakes. Include your facility’s available floor space, ceiling height, and local voltage and frequency standards so the electrical and mechanical design can be aligned before quotation.
Frequently Asked Questions
Q: How is the screw configuration determined for different corn varieties?
A: The screw element sequence—conveying, kneading, and reverse elements—is arranged based on the starch content, lipid ratio, and particle size of your specific corn blend. A trial run on your actual raw material in the testing workshop confirms the configuration achieves the correct gelatinisation and expansion before the extruder is shipped.
Q: What barrel temperature profile prevents over-expansion?
A: Barrel zones are heated and cooled independently to create a gradient that manages starch gelatinisation without causing the extrudate to puff excessively. The profile is adjusted during the trial run to match your corn blend’s moisture content, ensuring the pellet density is correct for subsequent flaking and roasting.
Q: How does die design influence flake blistering after roasting?
A: The die orifice size controls the extrudate diameter, which, when compressed by the hydraulic flaking rollers, determines the internal moisture pockets that expand into blisters during hot air roasting. The die geometry is selected alongside the roller gap to achieve the surface texture the breakfast cereal market expects.
Q: Can extrusion parameters be adjusted for new recipes on-site?
A: The PLC control system stores multiple recipes, allowing operators to recall specific screw speed, barrel temperature, and moisture settings for different corn or multi-grain blends. Physical screw element changes can also be made if a new recipe requires a fundamentally different shear profile.
![**Goal**: Optimize an H1 product title for "mtextrusion.com" based on specific constraints. **Constraints & Rules**: 1. **Source Title**: "Best Price Corn Flakes Making Machine Breakfast Cereals Processing Line with Motor As Core Component" 2. **Category**: "breakfast cereals corn flakes machine" 3. **Target Site**: "mtextrusion.com" * *Role*: EXTRUSION TECHNOLOGY (Screw configuration, barrel temp, etc.). * *Mapping*: The provided list of roles (Catalog, Stock, Tech, Line, Auto, OEM, App, Entry, Dist) doesn't perfectly match "Technology". The closest fit for a machinery site focusing on the *process* and *build* is "Turnkey Solution" (Line Projects) or "Manufacturer" (General). Given the site role emphasizes "how extrusion shapes the product" (Technology/Process), but the allowed pools are fixed, I need to select the best fit. * *Re-evaluating Site Role Mapping*: * mtextrusion.com = "EXTRUSION TECHNOLOGY Angle". * Allowed Pools: * Catalog: Manufacturer / Factory Supply / Full Range * Tech Selection: Specifications / Technical Guide / Model Selection * Line Projects: Production Line / Turnkey Solution / Complete Line * "Technology" implies the *method* or the *guide*. However, usually, these sites sell the *line*. Let's look at the "Product Draft": It's a "Corn Flakes Processing Line". * Let's check the pools again. "Technical Guide" fits the "Technology" angle best conceptually, but "Turnkey Solution" fits the *product* (a line) best. * Let's look at the instruction: "From [Customer Profile] SITE ROLES find [Target Site] corresponding role". * Site: mtextrusion.com -> Role: EXTRUSION TECHNOLOGY. * The prompt lists specific categories (Catalog, Stock, Tech, Line, Auto, OEM, App, Entry, Dist). "Extrusion Technology" isn't explicitly one of these headers. * However, "Tech Selection" (Technical Guide) or "Line Projects" (Turnkey Solution) are candidates. * Let's look at the "Product Draft" again. It's a full line. * Let's look at the "Site Role" description: "Angle: how extrusion shapes the product... Buyer: technical buyer or process engineer." * If I must map "Extrusion Technology" to one of the 9 buckets: * Is it a Catalog? No. * Is it Tech Selection? Yes, "Technical Guide" fits the "Technology" angle. * Is it Line Projects? Yes, "Turnkey Solution" fits the product. * Let's try to interpret "Extrusion Technology" as "Technical Guide" or "Specifications" because the angle is about the *science* (screw config, temp profile). * *Alternative*: The prompt says "If no match found -> Manufacturer / Factory Supply". * Let's look at the other sites. `jnfoodextrusion.com` is "Turnkey Line". `mtextruder.com` is "Machine Spec". `mtextrusion.com` is "Technology". * "Technology" is closest to "Technical Guide" (from the "Tech Selection" bucket). * Let's assume the pool is: **Specifications / Technical Guide / Model Selection**. 4. **Record ID**: 5362. * Sum: 5 + 3 + 6 + 2 = 16. 5. **Sentence Structure (Layer 2)**: * 16 % 6 = 4. * Structure 4: `[Category Word] with [Core Config] – [Site Modifier]` 6. **Modifier Selection (Layer 3)**: * Pool: Specifications / Technical Guide / Model Selection (Length 3). * 16 % 3 = 1. * Index 1 (0-based): **Technical Guide**. (0: Specifications, 1: Technical Guide, 2: Model Selection). * *Self-Correction*: If I map "Extrusion Technology" to "Line Projects" (since it's a processing line), the pool is "Production Line / Turnkey Solution / Complete Line". 16%3 = 1 -> "Turnkey Solution". * Which is better? The site role is explicitly "EXTRUSION TECHNOLOGY". The content is about "how extrusion shapes the product". "Technical Guide" feels more aligned with the *angle* described. However, the product is a "Processing Line". A "Technical Guide" usually refers to a document, not the machine itself. * Let's look at the "Line Projects" site (`jnfoodextrusion.com`). That is explicitly "Turnkey Line". * `mtextrusion.com` is "Technology". * Maybe the "Tech Selection" bucket is the intended target for "Technology". * Let's try to fit the structure: `[Category Word] with [Core Config] – [Site Modifier]` * Category Word: Corn Flakes Processing Line (from draft) or Corn Flakes Making Machine (from source). Source says "Corn Flakes Making Machine". Draft says "Corn Flakes Processing Line". Rule: "Product Category Word - from Category or Draft... only if source is missing/non-standard". Source has "Corn Flakes Making Machine". Category is "breakfast cereals corn flakes machine". Let's use **Corn Flakes Making Machine** or **Breakfast Cereals Processing Line**. * Source Title: "Best Price Corn Flakes Making Machine Breakfast Cereals Processing Line..." * Core Config (from Source/Draft): "Motor As Core Component" (Source) or "Twin Screw" (Draft - *Wait, Rule: "Forbidden: Introduce specs... not in source title"*). * **CRITICAL CHECK**: "Forbidden: Introduce specs... not in source title". * Source Title: "Best Price Corn Flakes Making Machine Breakfast Cereals Processing Line with Motor As Core Component". * Allowed words from source: Corn Flakes Making Machine, Breakfast Cereals Processing Line, Motor. * "Twin Screw" is in the draft but NOT in the source title. I cannot use "Twin Screw" in the H1 if I strictly follow "Forbidden: Introduce... specs... not in source title". * *Correction*: The rule says "Title every substantive word must come from [Source Title], [Category] or [Allowed Library]". * "Twin Screw" is not in Source, not in Category ("breakfast cereals corn flakes machine"), and not in the Allowed Library (General modifiers). * So I must use "Motor" (from source) or just the category words. * "Motor" is a weak "Core Config". * Let's look at the Category: "breakfast cereals corn flakes machine". * Let's look at Structure 4: `[Category Word] with [Core Config] – [Site Modifier]` * If "Core Config" is hard to fill from source (only "Motor"), I might need to switch structure? "If source info insufficient... take next". * Is "Motor" a valid core config? Yes, it's in the source. But it's generic. * Let's try Structure 0: `[Category Word] for [App/Material] – [Site Modifier]` * Cat: Corn Flakes Making Machine * App: Breakfast Cereals (from source) * Mod: Technical Guide * Result: Corn Flakes Making Machine for Breakfast Cereals – Technical Guide * Length: 32 + 18 + 15 = 65 chars. Good. * Let's try Structure 4 again with "Motor". * Corn Flakes Making Machine with Motor – Technical Guide * Length: 53 chars. * "Motor" is a bit weak/odd for a "Technology" site title. * Let's check Structure 1: `[Site Modifier] [Category Word] for [App/Material]` * Technical Guide Corn Flakes Making Machine for Breakfast Cereals * Length: 64 chars. * Let's check the ID Sum again. 5+3+6+2 = 16. * 16 % 6 = 4. Structure 4 is `[Category Word] with [Core Config] – [Site Modifier]`. * Can I use "Processing Line" as the category? Source has "Breakfast Cereals Processing Line". * "Breakfast Cereals Processing Line with Motor – Technical Guide". * Length: 39 + 10 + 15 = 64 chars. * Is "Motor" a "Core Config"? Technically yes. * Is there any other word in source? "Best Price" (No), "Core Component" (No). * What if I interpret "Core Config" loosely to include "Processing Line" if the Category is "Corn Flakes Machine"? * Let's stick to the prompt's strictness. * Source: "Corn Flakes Making Machine", "Breakfast Cereals Processing Line", "Motor". * Structure 4: `[Category Word] with [Core Config] – [Site Modifier]` * Option A: Corn Flakes Making Machine with Motor – Technical Guide (53 chars). * Option B: Breakfast Cereals Processing Line with Motor – Technical Guide (62 chars). * Option C (If I deem "Motor" insufficient/irrelevant for the "Technology" angle, do I skip to next structure?): * Structure 5: `[Site Modifier] [Category Word] – [Spec/Capacity]` * Source has no Spec/Capacity. * Structure 0: `[Category Word] for [App] – [Site Modifier]` * Corn Flakes Making Machine for Breakfast Cereals – Technical Guide (65 chars). * Let's evaluate "Technical Guide" as the modifier. * Site: mtextrusion.com (Extrusion Technology). * Role mapping: "Technical Guide" fits "Extrusion Technology" better than "Turnkey Solution" (which is `jnfoodextrusion`). * Let's refine the "Core Config" constraint. If the source says "with Motor As Core Component", "Motor" is the config. * However, "Breakfast Cereals Processing Line" is a strong keyword phrase. * Let's try to construct: `Breakfast Cereals Processing Line with Motor – Technical Guide` * Length: 62 characters. * Does it meet the "50-70 chars" rule? Yes. * Does it use source words? Yes. * Does it use the correct modifier? Yes (16%3=1 -> Technical Guide). * Does it follow Structure 4? Yes. * Is "Motor" a "Core Config"? In the context of the source title "with Motor As Core Component", yes. * Is it a good SEO title? "with Motor" is weak, but I am bound by the source vocabulary constraint ("Forbidden: Introduce... specs... not in source"). I cannot add "PLC" or "Twin Screw" or "Stainless Steel". * Wait, is "Breakfast Cereals" the App or the Category? * Category: "breakfast cereals corn flakes machine". * Source: "Corn Flakes Making Machine", "Breakfast Cereals Processing Line". * If I use "Corn Flakes Making Machine" (Cat) + "Breakfast Cereals" (App/Material). * Structure 4 requires "with [Core Config]". * If I use "Corn Flakes Making Machine with Motor", it's 53 chars. * If I use "Breakfast Cereals Processing Line with Motor", it's 62 chars. * "Breakfast Cereals Processing Line" is a valid Category Word phrase from the source. * Let's check the modifier pool again. * Target: mtextrusion.com. * Roles: "EXTRUSION TECHNOLOGY". * Pools: * Catalog: Manufacturer... * Tech: Specifications / Technical Guide / Model Selection * Line: Production Line / Turnkey Solution / Complete Line * If I chose "Line Projects" pool (Turnkey Solution), 16%3=1 -> Turnkey Solution. * "Breakfast Cereals Processing Line with Motor – Turnkey Solution". (62 chars). * Which pool is correct? * The prompt defines specific angles for specific sites. * `mtextrusion.com`: "how extrusion shapes the product... technical buyer". * `jnfoodextrusion.com`: "Turnkey Line Projects... factory or contractor". * Therefore, `mtextrusion.com` should NOT use the "Turnkey Solution" pool (which belongs to Line Projects). It should use the "Tech Selection" pool (Technical Guide/Specifications). * So "Technical Guide" is the correct choice. * **Result Construction**: * Structure 4: `[Category Word] with [Core Config] – [Site Modifier]` * Category: Breakfast Cereals Processing Line (Source) * Config: Motor (Source) * Modifier: Technical Guide (Calculated) * String: Breakfast Cereals Processing Line with Motor – Technical Guide * Length: 62 chars. * Check constraints: * No "Best Price". * No "High Quality". * Source words used. * ID 5362 -> 16. * 16%6 = 4 (Structure 4). * 16%3 = 1 (Technical Guide). * Looks solid. * Alternative consideration: "Corn Flakes Making Machine" is the primary keyword in category. * "Corn Flakes Making Machine with Motor – Technical Guide" (53 chars). * "Breakfast Cereals Processing Line" is more descriptive of the "Line" aspect often associated with "Technology/Process" sites, but "Corn Flakes" is more specific. * However, the source title has "Corn Flakes Making Machine" AND "Breakfast Cereals Processing Line". * "Breakfast Cereals Processing Line" is longer and fills the space better (62 vs 53). * Let's check if "Motor" is considered a "Core Config". The source explicitly says "with Motor As Core Component". So yes. * One more check on the Modifier Pool. * "Tech Selection" pool: Specifications / Technical Guide / Model Selection. * Is there any ambiguity? "Extrusion Technology" could arguably be "Specifications". * 16 % 3 = 1. * 0: Specifications * 1: Technical Guide * 2: Model Selection * Selection: Technical Guide. * Final String: Breakfast Cereals Processing Line with Motor – Technical Guide Breakfast Cereals Processing Line with Motor – Technical Guide](https://mtextrusion.com/wp-content/uploads/2026/05/Hc8a588ed3bbc4fd0b811428d49efd8217-300x300.webp)
