Productbeschrijving
Productbeschrijving
OEM Cast Iron Casing Housing Gearbox of CHINAMFG Process
We can offer you investment casting parts, railway casting parts, railway parts, excavator machinery
parts, mining machinery parts, engineering machinery, agricultural machinery parts, sand casting,
bucket tooth, auto parts, stamping & forging, and valve parts. We are capability in manufacture
non-standard metal machining.
1. Investment casting sand casting/ lost wax casting/precision casting/gravity casting/
stainless steel casting/carbon steel casting/ die casting/cookware handle casting/pan
handle casting/home hardware casting;
2. Materials: Carbon steel, stainless steel, alloy steel and duplex steel, wcc, wcb, lcc,
color metal etc;
3. Surface treatment: Heat treatment, machining, polishing, anodizing, hard anodizing,
galvanized, enp, chrome plating, powder coating and painting;
4. Software for specification drawings: Pdf, auto CAD, CHINAMFG work, proe;
5. Main production equipments: Wax injection, CNC-machine, heat treatment furnace;
6. Quality assurance in accordance with ISO9001: 2015, strict material inspection and
exact dimension control, 100% quality control.
7. OEM order is welcome;
8. The parts can be made completely based on your specifications such as drawing,
design, sample etc.
9. Export Markets: Australia Investment Casting / Precision Casting, America, United
States. U. S. A. Investment Casting / Precision Casting, Canada Investment Casting /
Precision Casting; U. K. England, Britain Investment Casting / Precision Casting, Germany.
Production capacity:
1. Casting classification: Sand casting; Precision casting; Vacuum process casting etc.
2. Gray iron, ductile iron, stainless steel, carbon steel, alloy steel, etc.
3. Adoption standard: BS, DIN, ASTM GB etc.
4. Weight range: 0.5~5000kg.
5. Producing capacity: 2, 000 tons per month.
6. Main application: Metallurgy; Machinery; Plastics; Rubber; Pharmaceutical;
Textiles; Mining; Paper-making; Packaging.
7. Main equipments: Furnaces; Heat treatment furnaces; Direct-reading spectrometer; Shot -blasting
equipments, etc.
8. Surface treatment: Polishing, plating, shot blasting, heat treatment, etc
9. Inspection and test: Foundry in home, third part inspection, Material report, UT, MT, RT, and
PT, etc…
10. Packing and shipping: Stand export packing; 20day make modul & sample; Delivery time against
your quantity.
11. Casting service: Your logo, character, trade name, number etc can be casted on the
surface clearly.
| Carbon steel castings |
ASTM A216-Gr. WCB, Gr. WCA, Gr. WCC; ASTM-415-205, 450-240, 485-275, 80-40; DIN- GS-C25(1.0619), GS-38(1.571), GS-45(1.0446), GS-52(1.571), GS-60(1. 0571 ); JIS-SC410, SC450, SC480, SCC5; BS-A1, A2, A5; NF-GE230, GE280, GE320, GE370 |
Soluble glass sand moulding Resin-sand moulding Lost wax casting (Investment casting) Lost foam cast Shell-core cast Electric-furnace smelting |
| Stainless steel castings |
ASTM-CF-8M, CF-8, CA-15, CA-40, 316, 304; DIN-G-X6CrNi18 9(1.4308), G-X7Cr13(1.4001) G-X20Cr14(1.4571), 1.4408; JIS-SCS13, CHINAMFG 1, CHINAMFG 2, CHINAMFG 14A; BS-304C15, 410C21, 420C29, 316, 304; NF-Z6CND18.12M, Z6CN18.10M, Z12C13M, Z20C13M |
Soluble glass sand moulding Resin-sand moulding Lost wax casting (Investment casting) Electric-furnace smelting |
| Alloy steel castings |
DIN-GS-40Mn5(1.1168), GS-20Mn5(1.1120); GS-37MnSi5(1.5122), GS-34CrMo4(1.7220); JIS-SCMn3, SCW480, SCSiMn2, SCCrM3, SCMnCR3; ASTM-LCC UNS-J57105, J13048 NF-G20M6, G35CrMo4 |
Soluble glass sand moulding Resin-sand moulding Lost wax casting (Investment casting) Electric-furnace smelting |
1. Q: Why choose CHINAMFG product?
A: We CHINAMFG have our own plant HangZhou CHINAMFG machinery Co., Ltd, therefore, we can
surely promise the quality of every product and provide you comparable price.
2. Q: Do you provide OEM Service?
A: Yes, we provide OEM Service.
3. Q: Do you provide customized products?
A: Yes. Customers give us drawings and specifications, and we will manufact accordingly.
4. Q: What is your payment term?
A: We provide kinds of payment terms such as L/C, T/T, Paypal, Escrow, etc.
If there’s anything I can help, please feel free to contact with me. /* 22 januari 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Type: | Chemical Hardening Sand |
|---|---|
| Casting Method: | Directional Crystallization |
| Sand Core Type: | Resin Sand Core |
| Samples: |
US$ 10/Piece
1 Piece(Min.Order) | Order Sample Sand Casting
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| Aanpassing: |
Beschikbaar
| Aanvraag op maat |
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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Veiligheidsmaatregelen bij het werken aan versnellingsbakken van grasmaaiers
Bij het werken aan versnellingsbakken van grasmaaiers is het belangrijk om nauwlettend op de veiligheid te letten om ongelukken en verwondingen te voorkomen. Volg deze veiligheidsvoorschriften:
- Stroom uitschakelen: Voordat u onderhoud of aanpassingen uitvoert, dient u de motor van de grasmaaier uit te schakelen en de bougiekabel los te koppelen om onbedoeld starten te voorkomen.
- Wacht tot het is afgekoeld: Laat de versnellingsbak afkoelen als deze in gebruik is geweest, aangezien deze tijdens het gebruik heet kan worden.
- Draag beschermende kleding: Gebruik geschikte persoonlijke beschermingsmiddelen (PBM's), zoals handschoenen, een veiligheidsbril en schoenen met gesloten neuzen, om uzelf te beschermen tegen rondvliegend puin en bewegende onderdelen.
- Stabiliseer de maaier: Zorg ervoor dat de grasmaaier op een vlakke ondergrond staat en goed gestabiliseerd is voordat u werkzaamheden aan de versnellingsbak uitvoert.
- Lees de handleiding: Raadpleeg de handleiding van de grasmaaier voor specifieke veiligheidsinstructies en procedures met betrekking tot het onderhoud van de versnellingsbak.
- Gebruik de juiste gereedschappen: Gebruik altijd het juiste gereedschap voor de klus en zorg ervoor dat het in goede staat verkeert. Onjuist gereedschap kan leiden tot ongelukken en schade.
- Vermijd losse kleding: Draag kleding die goed past en niet vast kan komen te zitten in bewegende onderdelen.
- Houd je handen uit de buurt: Houd uw handen en vingers uit de buurt van de versnellingsbak en riemen terwijl de motor draait of tijdens onderhoudswerkzaamheden.
- Zorg voor voldoende ventilatie: Als u in een afgesloten ruimte werkt, zorg dan voor voldoende ventilatie om blootstelling aan uitlaatgassen te voorkomen.
- Eén taak tegelijk: Concentreer u op één taak tegelijk. Vermijd afleiding en multitasken tijdens het werken aan de versnellingsbak van de grasmaaier.
- Zorg voor een schone werkplek: Houd de werkplek schoon en opgeruimd om struikelgevaar te voorkomen en ervoor te zorgen dat gereedschap gemakkelijk toegankelijk is.
- Vervang beschermkappen en afdekkingen: Na het uitvoeren van onderhoud, dient u ervoor te zorgen dat alle beschermkappen en afdekkingen correct zijn teruggeplaatst voordat u de maaier in gebruik neemt.
- Voer vloeistoffen op de juiste manier af: Als u vloeistoffen uit de versnellingsbak moet aftappen, dient u deze af te voeren volgens de plaatselijke voorschriften.
- Schakel een professional in: Als u twijfelt over onderhoud of reparaties, of als de taak specialistische kennis vereist, raadpleeg dan een professional of een erkend servicecentrum.
Door deze veiligheidsmaatregelen in acht te nemen, kunt u veilig en effectief met grasmaaierversnellingsbakken werken en het risico op ongelukken en verwondingen verkleinen.

Common Problems with Mower Gearboxes and How to Fix Them
Mower gearboxes can experience various issues over time. Here are some common problems and their potential solutions:
- Leaking Oil: If you notice oil leaks, inspect the seals and gaskets. Replace any damaged components and refill the gearbox with the appropriate oil.
- Strange Noises: Unusual noises can indicate worn bearings or gears. Inspect the gearbox for wear and replace any damaged parts.
- Overheating: Overheating can result from low oil levels or excessive friction. Check the oil level and quality, and ensure proper lubrication.
- Poor Performance: If the mower gearbox isn’t performing as expected, check for loose belts, misaligned pulleys, or damaged gears. Adjust or replace parts as needed.
- Slipping Belts: Slipping belts can cause uneven cutting. Check the tension of the belts and adjust them to the manufacturer’s specifications.
- Lack of Power: If the mower lacks power, check the gearbox and belts for obstructions, and make sure the gears are functioning properly.
- Vibration: Excessive vibration can result from imbalanced blades or damaged gearbox components. Balance the blades and inspect the gearbox for wear.
- Stuck Gears: If gears become stuck, check for debris or damage. Clean the gearbox and replace any worn or damaged parts.
- Worn Bearings: Worn bearings can cause increased friction and noise. Replace worn bearings with new ones to maintain smooth operation.
- Seized Components: If parts are seized, such as pulleys or shafts, inspect for damage or corrosion. Lubricate or replace components as needed.
For any complex issues or if you’re unsure about repairs, it’s recommended to consult the mower’s manual or seek help from a professional technician or authorized service center.

Key Components of a Mower Gearbox
A mower gearbox is a complex mechanical assembly consisting of various components that work together to transmit power and control the cutting blades. The key components of a mower gearbox include:
- Input Shaft: The input shaft is connected to the mower’s engine via a drive shaft. It receives the rotational power from the engine and transfers it to the gearbox.
- Gears: Gears are essential components responsible for transmitting and converting torque and speed. Mower gearboxes contain a set of gears, including input gears, intermediate gears, and output gears, that mesh together to achieve the desired torque and speed ratios.
- Output Shaft: The output shaft is connected to the cutting blades. It receives the torque from the gearbox and transfers it to the blades, causing them to rotate and perform the cutting action.
- Bearings: Bearings support the rotating shafts and gears within the gearbox, reducing friction and ensuring smooth movement. Ball bearings or roller bearings are commonly used to enhance the gearbox’s efficiency and longevity.
- Lubrication System: Mower gearboxes require proper lubrication to minimize friction and wear between moving parts. Lubrication ensures that the gears and bearings operate smoothly and efficiently.
- Housing: The gearbox housing encloses and protects the internal components from external elements. It also contains the lubricating oil and prevents dirt and debris from entering the gearbox.
- Seals: Seals prevent the entry of contaminants such as water, dust, and dirt into the gearbox. They play a critical role in maintaining the integrity of the lubrication system and protecting the internal components.
- Clutches and Brakes: Some mower gearboxes feature clutches and brakes that allow for engagement and disengagement of the cutting blades. These components provide control over the cutting action and enable safe operation.
- Adjustment Mechanisms: Depending on the type of mower, the gearbox may include adjustment mechanisms for setting the cutting height or angle of the blades. These mechanisms enhance the mower’s versatility and performance.
The combination of these components within the mower gearbox ensures the effective transmission of power and precise control over the cutting blades, resulting in efficient and accurate mowing operations.


editor by CX 2024-04-04